23015133 has 24 divisors (see below), whose sum is σ = 34257600. Its totient is φ = 14883264.

The previous prime is 23015129. The next prime is 23015141. The reversal of 23015133 is 33151032.

It is not a de Polignac number, because 23015133 - 2² = 23015129 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23015123) 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 23 ways as a sum of consecutive naturals, for example, 47016 + ... + 47502.

It is an arithmetic number, because the mean of its divisors is an integer number (1427400).

Almost surely, 2^23015133 is an apocalyptic number.

It is an amenable number.

23015133 is a deficient number, since it is larger than the sum of its proper divisors (11242467).

23015133 is a wasteful number, since it uses less digits than its factorization.

23015133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641 (or 638 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 23015133 is about 4797.4089881935. The cubic root of 23015133 is about 284.4490556718.

Adding to 23015133 its reverse (33151032), we get a palindrome (56166165).

The spelling of 23015133 in words is "twenty-three million, fifteen thousand, one hundred thirty-three".