23012133 has 4 divisors (see below), whose sum is σ = 30682848. Its totient is φ = 15341420.

The previous prime is 23012117. The next prime is 23012149. The reversal of 23012133 is 33121032.

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 an interprime number because it is at equal distance from previous prime (23012117) and next prime (23012149).

It is a cyclic number.

It is not a de Polignac number, because 23012133 - 2⁴ = 23012117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23012233) 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, 3835353 + ... + 3835358.

It is an arithmetic number, because the mean of its divisors is an integer number (7670712).

Almost surely, 2^23012133 is an apocalyptic number.

It is an amenable number.

23012133 is a deficient number, since it is larger than the sum of its proper divisors (7670715).

23012133 is an equidigital number, since it uses as much as digits as its factorization.

23012133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7670714.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 23012133 is about 4797.0963092271. The cubic root of 23012133 is about 284.4366959164.

Adding to 23012133 its reverse (33121032), we get a palindrome (56133165).

The spelling of 23012133 in words is "twenty-three million, twelve thousand, one hundred thirty-three".