23265157 has 4 divisors (see below), whose sum is σ = 23294656. Its totient is φ = 23235660.

The previous prime is 23265133. The next prime is 23265181. The reversal of 23265157 is 75156232.

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 (23265133) and next prime (23265181).

It is a cyclic number.

It is not a de Polignac number, because 23265157 - 2²³ = 14876549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23265127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13533 + ... + 15154.

It is an arithmetic number, because the mean of its divisors is an integer number (5823664).

Almost surely, 2^23265157 is an apocalyptic number.

It is an amenable number.

23265157 is a deficient number, since it is larger than the sum of its proper divisors (29499).

23265157 is an equidigital number, since it uses as much as digits as its factorization.

23265157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29498.

The product of its digits is 12600, while the sum is 31.

The square root of 23265157 is about 4823.3968321091. The cubic root of 23265157 is about 285.4753818525.

The spelling of 23265157 in words is "twenty-three million, two hundred sixty-five thousand, one hundred fifty-seven".