23020213321 has 16 divisors (see below), whose sum is σ = 26447718400. Its totient is φ = 19627593408.

The previous prime is 23020213309. The next prime is 23020213361. The reversal of 23020213321 is 12331202032.

It is a cyclic number.

It is not a de Polignac number, because 23020213321 - 2²⁷ = 22885995593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23020213361) 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, 1938520 + ... + 1950358.

It is an arithmetic number, because the mean of its divisors is an integer number (1652982400).

Almost surely, 2^23020213321 is an apocalyptic number.

It is an amenable number.

23020213321 is a deficient number, since it is larger than the sum of its proper divisors (3427505079).

23020213321 is a wasteful number, since it uses less digits than its factorization.

23020213321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13288.

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

Adding to 23020213321 its reverse (12331202032), we get a palindrome (35351415353).

The spelling of 23020213321 in words is "twenty-three billion, twenty million, two hundred thirteen thousand, three hundred twenty-one".