23102321320 has 32 divisors (see below), whose sum is σ = 55978702920. Its totient is φ = 8530087680.

The previous prime is 23102321311. The next prime is 23102321339. The reversal of 23102321320 is 2312320132.

It can be written as a sum of positive squares in 4 ways, for example, as 16531273476 + 6571047844 = 128574^2 + 81062^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22213251 + ... + 22214290.

Almost surely, 2^23102321320 is an apocalyptic number.

23102321320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23102321320 is an abundant number, since it is smaller than the sum of its proper divisors (32876381600).

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

23102321320 is a wasteful number, since it uses less digits than its factorization.

23102321320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44427565 (or 44427561 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 23102321320 its reverse (2312320132), we get a palindrome (25414641452).

The spelling of 23102321320 in words is "twenty-three billion, one hundred two million, three hundred twenty-one thousand, three hundred twenty".