123615605051231 has 8 divisors (see below), whose sum is σ = 126121218429024. Its totient is φ = 121116408098400.

The previous prime is 123615605051207. The next prime is 123615605051251. The reversal of 123615605051231 is 132150506516321.

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 2^k-123615605051231 is a prime.

It is a super-2 number, since 2×123615605051231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123615605051251) 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, 1604067320 + ... + 1604144381.

It is an arithmetic number, because the mean of its divisors is an integer number (15765152303628).

Almost surely, 2^{123615605051231} is an apocalyptic number.

123615605051231 is a deficient number, since it is larger than the sum of its proper divisors (2505613377793).

123615605051231 is an equidigital number, since it uses as much as digits as its factorization.

123615605051231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3208212481.

The product of its (nonzero) digits is 162000, while the sum is 41.

The spelling of 123615605051231 in words is "one hundred twenty-three trillion, six hundred fifteen billion, six hundred five million, fifty-one thousand, two hundred thirty-one".