23245591 has 2 divisors, whose sum is σ = 23245592. Its totient is φ = 23245590.

The previous prime is 23245553. The next prime is 23245597. The reversal of 23245591 is 19554232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23245591 - 2¹¹ = 23243543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23245597) 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, 11622795 + 11622796.

It is an arithmetic number, because the mean of its divisors is an integer number (11622796).

Almost surely, 2^23245591 is an apocalyptic number.

23245591 is a deficient number, since it is larger than the sum of its proper divisors (1).

23245591 is an equidigital number, since it uses as much as digits as its factorization.

23245591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 31.

The square root of 23245591 is about 4821.3681668174. The cubic root of 23245591 is about 285.3953311299.

The spelling of 23245591 in words is "twenty-three million, two hundred forty-five thousand, five hundred ninety-one".