23310161420 has 72 divisors (see below), whose sum is σ = 61323688944. Its totient is φ = 7377277824.

The previous prime is 23310161389. The next prime is 23310161449. The reversal of 23310161420 is 2416101332.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 902102 + ... + 927581.

It is an arithmetic number, because the mean of its divisors is an integer number (851717902).

Almost surely, 2^23310161420 is an apocalyptic number.

23310161420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23310161420 is an abundant number, since it is smaller than the sum of its proper divisors (38013527524).

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

23310161420 is a wasteful number, since it uses less digits than its factorization.

23310161420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1829719 (or 1829710 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 23310161420 its reverse (2416101332), we get a palindrome (25726262752).

The spelling of 23310161420 in words is "twenty-three billion, three hundred ten million, one hundred sixty-one thousand, four hundred twenty".