23563413 has 32 divisors (see below), whose sum is σ = 36358400. Its totient is φ = 15069888.

The previous prime is 23563349. The next prime is 23563469. The reversal of 23563413 is 31436532.

It is a happy number.

23563413 is a `hidden beast` number, since 23 + 5 + 634 + 1 + 3 = 666.

It is not a de Polignac number, because 23563413 - 2⁶ = 23563349 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23563483) 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, 102783 + ... + 103011.

It is an arithmetic number, because the mean of its divisors is an integer number (1136200).

Almost surely, 2^23563413 is an apocalyptic number.

It is an amenable number.

23563413 is a deficient number, since it is larger than the sum of its proper divisors (12794987).

23563413 is a wasteful number, since it uses less digits than its factorization.

23563413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378 (or 372 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 23563413 is about 4854.2160026105. The cubic root of 23563413 is about 286.6901235237.

Adding to 23563413 its reverse (31436532), we get a palindrome (54999945).

The spelling of 23563413 in words is "twenty-three million, five hundred sixty-three thousand, four hundred thirteen".