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123020131333 = 1117216498343
BaseRepresentation
bin111001010010010010…
…0100011110000000101
3102202112111002011211111
41302210210203300011
54003421123200313
6132303100205021
711613360602011
oct1624444436005
9382474064744
10123020131333
1148199725530
121ba13239771
13b7a6ac9a28
145d504ad541
1533001c443d
hex1ca4923c05

123020131333 has 8 divisors (see below), whose sum is σ = 134281780416. Its totient is φ = 111771482400.

The previous prime is 123020131291. The next prime is 123020131343. The reversal of 123020131333 is 333131020321.

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 123020131333 - 229 = 122483260421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123020131343) 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, 3230241 + ... + 3268102.

It is an arithmetic number, because the mean of its divisors is an integer number (16785222552).

Almost surely, 2123020131333 is an apocalyptic number.

It is an amenable number.

123020131333 is a deficient number, since it is larger than the sum of its proper divisors (11261649083).

123020131333 is a wasteful number, since it uses less digits than its factorization.

123020131333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6500075.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 123020131333 its reverse (333131020321), we get a palindrome (456151151654).

The spelling of 123020131333 in words is "one hundred twenty-three billion, twenty million, one hundred thirty-one thousand, three hundred thirty-three".

Divisors: 1 11 1721 18931 6498343 71481773 11183648303 123020131333