23431330313420 has 48 divisors (see below), whose sum is σ = 50578472443968. Its totient is φ = 9111498497280.

The previous prime is 23431330313359. The next prime is 23431330313431. The reversal of 23431330313420 is 2431303313432.

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, 12531632 + ... + 14279511.

It is an arithmetic number, because the mean of its divisors is an integer number (1053718175916).

Almost surely, 2^{23431330313420} is an apocalyptic number.

23431330313420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23431330313420 is an abundant number, since it is smaller than the sum of its proper divisors (27147142130548).

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

23431330313420 is a wasteful number, since it uses less digits than its factorization.

23431330313420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26812370 (or 26812368 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 32.

Adding to 23431330313420 its reverse (2431303313432), we get a palindrome (25862633626852).

The spelling of 23431330313420 in words is "twenty-three trillion, four hundred thirty-one billion, three hundred thirty million, three hundred thirteen thousand, four hundred twenty".