23290051 has 16 divisors (see below), whose sum is σ = 25519104. Its totient is φ = 21170304.

The previous prime is 23290037. The next prime is 23290061. The reversal of 23290051 is 15009232.

It is not a de Polignac number, because 23290051 - 2⁷ = 23289923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23290061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82156 + ... + 82438.

It is an arithmetic number, because the mean of its divisors is an integer number (1594944).

Almost surely, 2^23290051 is an apocalyptic number.

23290051 is a deficient number, since it is larger than the sum of its proper divisors (2229053).

23290051 is a wasteful number, since it uses less digits than its factorization.

23290051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 23290051 is about 4825.9766887129. The cubic root of 23290051 is about 285.5771662639.

Adding to 23290051 its reverse (15009232), we get a palindrome (38299283).

The spelling of 23290051 in words is "twenty-three million, two hundred ninety thousand, fifty-one".