23913285 has 32 divisors (see below), whose sum is σ = 42878592. Its totient is φ = 11278080.

The previous prime is 23913283. The next prime is 23913287. The reversal of 23913285 is 58231932.

It is an interprime number because it is at equal distance from previous prime (23913283) and next prime (23913287).

It is not a de Polignac number, because 23913285 - 2¹ = 23913283 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23913283) 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 31 ways as a sum of consecutive naturals, for example, 4147 + ... + 8063.

It is an arithmetic number, because the mean of its divisors is an integer number (1339956).

Almost surely, 2^23913285 is an apocalyptic number.

It is an amenable number.

23913285 is a deficient number, since it is larger than the sum of its proper divisors (18965307).

23913285 is a wasteful number, since it uses less digits than its factorization.

23913285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3973.

The product of its digits is 12960, while the sum is 33.

The square root of 23913285 is about 4890.1211641431. The cubic root of 23913285 is about 288.1020929522.

The spelling of 23913285 in words is "twenty-three million, nine hundred thirteen thousand, two hundred eighty-five".