23321023 has 4 divisors (see below), whose sum is σ = 25441128. Its totient is φ = 21200920.

The previous prime is 23320987. The next prime is 23321041. The reversal of 23321023 is 32012332.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23321023 - 2⁹ = 23320511 is a prime.

It is a super-2 number, since 2×23321023² = 1087740227533058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23320988 and 23321006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23321323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1060036 + ... + 1060057.

It is an arithmetic number, because the mean of its divisors is an integer number (6360282).

Almost surely, 2^23321023 is an apocalyptic number.

23321023 is a deficient number, since it is larger than the sum of its proper divisors (2120105).

23321023 is a wasteful number, since it uses less digits than its factorization.

23321023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2120104.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 23321023 is about 4829.1845067257. The cubic root of 23321023 is about 285.7037006674.

Adding to 23321023 its reverse (32012332), we get a palindrome (55333355).

The spelling of 23321023 in words is "twenty-three million, three hundred twenty-one thousand, twenty-three".