123231312302000 has 80 divisors (see below), whose sum is σ = 340540929348672. Its totient is φ = 42250735641600.

The previous prime is 123231312301987. The next prime is 123231312302023. The reversal of 123231312302000 is 203213132321.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4401104297 + ... + 4401132296.

Almost surely, 2^{123231312302000} is an apocalyptic number.

123231312302000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123231312302000 is an abundant number, since it is smaller than the sum of its proper divisors (217309617046672).

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

123231312302000 is an equidigital number, since it uses as much as digits as its factorization.

123231312302000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8802236623 (or 8802236607 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 123231312302000 its reverse (203213132321), we get a palindrome (123434525434321).

The spelling of 123231312302000 in words is "one hundred twenty-three trillion, two hundred thirty-one billion, three hundred twelve million, three hundred two thousand".