23577913 has 2 divisors, whose sum is σ = 23577914. Its totient is φ = 23577912.

The previous prime is 23577901. The next prime is 23577919. The reversal of 23577913 is 31977532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21827584 + 1750329 = 4672^2 + 1323^2 .

It is a cyclic number.

It is not a de Polignac number, because 23577913 - 2⁵ = 23577881 is a prime.

It is not a weakly prime, because it can be changed into another prime (23577919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11788956 + 11788957.

It is an arithmetic number, because the mean of its divisors is an integer number (11788957).

Almost surely, 2^23577913 is an apocalyptic number.

It is an amenable number.

23577913 is a deficient number, since it is larger than the sum of its proper divisors (1).

23577913 is an equidigital number, since it uses as much as digits as its factorization.

23577913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 39690, while the sum is 37.

The square root of 23577913 is about 4855.7093199655. The cubic root of 23577913 is about 286.7489174174.

The spelling of 23577913 in words is "twenty-three million, five hundred seventy-seven thousand, nine hundred thirteen".