23898899 has 2 divisors, whose sum is σ = 23898900. Its totient is φ = 23898898.

The previous prime is 23898893. The next prime is 23898913. The reversal of 23898899 is 99889832.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23898899 - 2²⁰ = 22850323 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23898893) 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, 11949449 + 11949450.

It is an arithmetic number, because the mean of its divisors is an integer number (11949450).

Almost surely, 2^23898899 is an apocalyptic number.

23898899 is a deficient number, since it is larger than the sum of its proper divisors (1).

23898899 is an equidigital number, since it uses as much as digits as its factorization.

23898899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2239488, while the sum is 56.

The square root of 23898899 is about 4888.6500181543. The cubic root of 23898899 is about 288.0443082228.

The spelling of 23898899 in words is "twenty-three million, eight hundred ninety-eight thousand, eight hundred ninety-nine".