23020503321 has 16 divisors (see below), whose sum is σ = 31447922688. Its totient is φ = 14972144400.

The previous prime is 23020503293. The next prime is 23020503329. The reversal of 23020503321 is 12330502032.

It is not a de Polignac number, because 23020503321 - 2¹⁹ = 23019979033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23020503329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218635 + ... + 306336.

It is an arithmetic number, because the mean of its divisors is an integer number (1965495168).

Almost surely, 2^23020503321 is an apocalyptic number.

It is an amenable number.

23020503321 is a deficient number, since it is larger than the sum of its proper divisors (8427419367).

23020503321 is a wasteful number, since it uses less digits than its factorization.

23020503321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525332.

The product of its (nonzero) digits is 1080, while the sum is 21.

The spelling of 23020503321 in words is "twenty-three billion, twenty million, five hundred three thousand, three hundred twenty-one".