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123101203013 = 2812243195311
BaseRepresentation
bin111001010100101100…
…1110100101001000101
3102202202010122001021022
41302221121310221011
54004102401444023
6132315114000525
711615363650415
oct1625131645105
9382663561238
10123101203013
1148230468918
121ba36416145
13b7ba843b39
145d5b174645
15330738a7c8
hex1ca9674a45

123101203013 has 8 divisors (see below), whose sum is σ = 123594996096. Its totient is φ = 122607805600.

The previous prime is 123101202979. The next prime is 123101203039. The reversal of 123101203013 is 310302101321.

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

It is a cyclic number.

It is not a de Polignac number, because 123101203013 - 214 = 123101186629 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123101202982 and 123101203000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123101203613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532628 + ... + 727938.

It is an arithmetic number, because the mean of its divisors is an integer number (15449374512).

Almost surely, 2123101203013 is an apocalyptic number.

It is an amenable number.

123101203013 is a deficient number, since it is larger than the sum of its proper divisors (493793083).

123101203013 is a wasteful number, since it uses less digits than its factorization.

123101203013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197835.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 123101203013 its reverse (310302101321), we get a palindrome (433403304334).

The spelling of 123101203013 in words is "one hundred twenty-three billion, one hundred one million, two hundred three thousand, thirteen".

Divisors: 1 281 2243 195311 630283 54882391 438082573 123101203013