23055203021 has 12 divisors (see below), whose sum is σ = 24524535360. Its totient is φ = 21669451200.

The previous prime is 23055203011. The next prime is 23055203023. The reversal of 23055203021 is 12030255032.

It is not a de Polignac number, because 23055203021 - 2⁶ = 23055202957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23055203023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 159596 + ... + 267546.

It is an arithmetic number, because the mean of its divisors is an integer number (2043711280).

Almost surely, 2^23055203021 is an apocalyptic number.

It is an amenable number.

23055203021 is a deficient number, since it is larger than the sum of its proper divisors (1469332339).

23055203021 is a wasteful number, since it uses less digits than its factorization.

23055203021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108724 (or 108707 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

Adding to 23055203021 its reverse (12030255032), we get a palindrome (35085458053).

The spelling of 23055203021 in words is "twenty-three billion, fifty-five million, two hundred three thousand, twenty-one".