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123132303020231 = 4712380712116063
BaseRepresentation
bin11011111111110011111001…
…001011101001000011000111
3121010222022222220112002211222
4123333303321023221003013
5112114344424033121411
61113514111001150555
734636005153436301
oct3377637113510307
9533868886462758
10123132303020231
113626313100321a
1211987a4718b45b
135392431cc315b
1422598c7248971
15e37e48ec94db
hex6ffcf92e90c7

123132303020231 has 8 divisors (see below), whose sum is σ = 125752300253184. Its totient is φ = 120512312495640.

The previous prime is 123132303020219. The next prime is 123132303020297. The reversal of 123132303020231 is 132020303231321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-123132303020231 is a prime.

It is a super-2 number, since 2×1231323030202312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123132303020231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123132303040231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57131306 + ... + 59247368.

It is an arithmetic number, because the mean of its divisors is an integer number (15719037531648).

Almost surely, 2123132303020231 is an apocalyptic number.

123132303020231 is a deficient number, since it is larger than the sum of its proper divisors (2619997232953).

123132303020231 is a wasteful number, since it uses less digits than its factorization.

123132303020231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3354181.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 123132303020231 its reverse (132020303231321), we get a palindrome (255152606251552).

The spelling of 123132303020231 in words is "one hundred twenty-three trillion, one hundred thirty-two billion, three hundred three million, twenty thousand, two hundred thirty-one".

Divisors: 1 47 1238071 2116063 58189337 99454961 2619836234473 123132303020231