23524013 has 2 divisors, whose sum is σ = 23524014. Its totient is φ = 23524012.

The previous prime is 23523961. The next prime is 23524019. The reversal of 23524013 is 31042532.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22448644 + 1075369 = 4738^2 + 1037^2 .

It is a cyclic number.

It is not a de Polignac number, because 23524013 - 2¹⁸ = 23261869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23524019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11762006 + 11762007.

It is an arithmetic number, because the mean of its divisors is an integer number (11762007).

Almost surely, 2^23524013 is an apocalyptic number.

It is an amenable number.

23524013 is a deficient number, since it is larger than the sum of its proper divisors (1).

23524013 is an equidigital number, since it uses as much as digits as its factorization.

23524013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 23524013 is about 4850.1559768733. The cubic root of 23524013 is about 286.5302444145.

Adding to 23524013 its reverse (31042532), we get a palindrome (54566545).

The spelling of 23524013 in words is "twenty-three million, five hundred twenty-four thousand, thirteen".