123131040131321 has 8 divisors (see below), whose sum is σ = 124354611690624. Its totient is φ = 121907555873200.

The previous prime is 123131040131261. The next prime is 123131040131383.

123131040131321 is nontrivially palindromic in base 10.

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 123131040131321 - 2⁶ = 123131040131257 is a prime.

It is a super-2 number, since 2×123131040131321² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123131040131821) 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, 18988625 + ... + 24633918.

It is an arithmetic number, because the mean of its divisors is an integer number (15544326461328).

Almost surely, 2^{123131040131321} is an apocalyptic number.

It is an amenable number.

123131040131321 is a deficient number, since it is larger than the sum of its proper divisors (1223571559303).

123131040131321 is a wasteful number, since it uses less digits than its factorization.

123131040131321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43650591.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 123131040131321 in words is "one hundred twenty-three trillion, one hundred thirty-one billion, forty million, one hundred thirty-one thousand, three hundred twenty-one".