23247899 has 2 divisors, whose sum is σ = 23247900. Its totient is φ = 23247898.

The previous prime is 23247881. The next prime is 23247929. The reversal of 23247899 is 99874232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23247899 - 2⁸ = 23247643 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23247599) 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, 11623949 + 11623950.

It is an arithmetic number, because the mean of its divisors is an integer number (11623950).

Almost surely, 2^23247899 is an apocalyptic number.

23247899 is a deficient number, since it is larger than the sum of its proper divisors (1).

23247899 is an equidigital number, since it uses as much as digits as its factorization.

23247899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 44.

The square root of 23247899 is about 4821.6075120234. The cubic root of 23247899 is about 285.4047762275.

The spelling of 23247899 in words is "twenty-three million, two hundred forty-seven thousand, eight hundred ninety-nine".