23024321 has 4 divisors (see below), whose sum is σ = 23143812. Its totient is φ = 22904832.

The previous prime is 23024303. The next prime is 23024327. The reversal of 23024321 is 12342032.

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

It can be written as a sum of positive squares in 2 ways, for example, as 15295921 + 7728400 = 3911^2 + 2780^2 .

It is a cyclic number.

It is not a de Polignac number, because 23024321 - 2¹⁴ = 23007937 is a prime.

It is a super-2 number, since 2×23024321² = 1060238715022082, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23024321.

It is not an unprimeable number, because it can be changed into a prime (23024327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59456 + ... + 59841.

It is an arithmetic number, because the mean of its divisors is an integer number (5785953).

Almost surely, 2^23024321 is an apocalyptic number.

It is an amenable number.

23024321 is a deficient number, since it is larger than the sum of its proper divisors (119491).

23024321 is a wasteful number, since it uses less digits than its factorization.

23024321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119490.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 23024321 is about 4798.3664928807. The cubic root of 23024321 is about 284.4869028022.

Adding to 23024321 its reverse (12342032), we get a palindrome (35366353).

The spelling of 23024321 in words is "twenty-three million, twenty-four thousand, three hundred twenty-one".