123431101251452 has 6 divisors (see below), whose sum is σ = 216004427190048. Its totient is φ = 61715550625724.

The previous prime is 123431101251371. The next prime is 123431101251461. The reversal of 123431101251452 is 254152101134321.

It is a super-2 number, since 2×123431101251452² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15428887656428 + ... + 15428887656435.

It is an arithmetic number, because the mean of its divisors is an integer number (36000737865008).

Almost surely, 2^{123431101251452} is an apocalyptic number.

It is an amenable number.

123431101251452 is a deficient number, since it is larger than the sum of its proper divisors (92573325938596).

123431101251452 is a wasteful number, since it uses less digits than its factorization.

123431101251452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30857775312867 (or 30857775312865 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

Adding to 123431101251452 its reverse (254152101134321), we get a palindrome (377583202385773).

The spelling of 123431101251452 in words is "one hundred twenty-three trillion, four hundred thirty-one billion, one hundred one million, two hundred fifty-one thousand, four hundred fifty-two".