23000321 has 4 divisors (see below), whose sum is σ = 23101872. Its totient is φ = 22898772.

The previous prime is 23000311. The next prime is 23000323. The reversal of 23000321 is 12300032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23000321 is a prime.

It is a super-2 number, since 2×23000321² = 1058029532206082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23000323) 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, 50435 + ... + 50888.

It is an arithmetic number, because the mean of its divisors is an integer number (5775468).

Almost surely, 2^23000321 is an apocalyptic number.

It is an amenable number.

23000321 is a deficient number, since it is larger than the sum of its proper divisors (101551).

23000321 is a wasteful number, since it uses less digits than its factorization.

23000321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101550.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 23000321 is about 4795.8649897594. The cubic root of 23000321 is about 284.3880209954.

Adding to 23000321 its reverse (12300032), we get a palindrome (35300353).

The spelling of 23000321 in words is "twenty-three million, three hundred twenty-one", and thus it is an aban number.