23520899 has 2 divisors, whose sum is σ = 23520900. Its totient is φ = 23520898.

The previous prime is 23520883. The next prime is 23520941. The reversal of 23520899 is 99802532.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23520899 - 2⁴ = 23520883 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23520859) 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 as a sum of consecutive naturals, namely, 11760449 + 11760450.

It is an arithmetic number, because the mean of its divisors is an integer number (11760450).

Almost surely, 2^23520899 is an apocalyptic number.

23520899 is a deficient number, since it is larger than the sum of its proper divisors (1).

23520899 is an equidigital number, since it uses as much as digits as its factorization.

23520899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 23520899 is about 4849.8349456451. The cubic root of 23520899 is about 286.5176006739.

The spelling of 23520899 in words is "twenty-three million, five hundred twenty thousand, eight hundred ninety-nine".