123631093452240 has 160 divisors (see below), whose sum is σ = 464553199728000. Its totient is φ = 29971174164480.

The previous prime is 123631093452233. The next prime is 123631093452241. The reversal of 123631093452240 is 42254390136321.

123631093452240 is a `hidden beast` number, since 1 + 2 + 3 + 6 + 31 + 0 + 93 + 4 + 522 + 4 + 0 = 666.

It is a super-2 number, since 2×123631093452240² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123631093452241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2601640665 + ... + 2601688184.

It is an arithmetic number, because the mean of its divisors is an integer number (2903457498300).

Almost surely, 2^{123631093452240} is an apocalyptic number.

123631093452240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123631093452240 is an abundant number, since it is smaller than the sum of its proper divisors (340922106275760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123631093452240 is a wasteful number, since it uses less digits than its factorization.

123631093452240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5203328882 (or 5203328870 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The spelling of 123631093452240 in words is "one hundred twenty-three trillion, six hundred thirty-one billion, ninety-three million, four hundred fifty-two thousand, two hundred forty".