23265813 has 16 divisors (see below), whose sum is σ = 31610880. Its totient is φ = 15218544.

The previous prime is 23265797. The next prime is 23265821. The reversal of 23265813 is 31856232.

It is not a de Polignac number, because 23265813 - 2⁴ = 23265797 is a prime.

It is a super-3 number, since 3×23265813³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23265863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55318 + ... + 55736.

It is an arithmetic number, because the mean of its divisors is an integer number (1975680).

Almost surely, 2^23265813 is an apocalyptic number.

It is an amenable number.

23265813 is a deficient number, since it is larger than the sum of its proper divisors (8345067).

23265813 is a wasteful number, since it uses less digits than its factorization.

23265813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728.

The product of its digits is 8640, while the sum is 30.

The square root of 23265813 is about 4823.4648334988. The cubic root of 23265813 is about 285.4780649792.

The spelling of 23265813 in words is "twenty-three million, two hundred sixty-five thousand, eight hundred thirteen".