23020032320 has 56 divisors (see below), whose sum is σ = 55025080704. Its totient is φ = 9172967936.

The previous prime is 23020032311. The next prime is 23020032377. The reversal of 23020032320 is 2323002032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52604 + ... + 220923.

Almost surely, 2^23020032320 is an apocalyptic number.

23020032320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23020032320 is an abundant number, since it is smaller than the sum of its proper divisors (32005048384).

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

23020032320 is a wasteful number, since it uses less digits than its factorization.

23020032320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273807 (or 273797 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 17.

Adding to 23020032320 its reverse (2323002032), we get a palindrome (25343034352).

The spelling of 23020032320 in words is "twenty-three billion, twenty million, thirty-two thousand, three hundred twenty".