23144899 has 2 divisors, whose sum is σ = 23144900. Its totient is φ = 23144898.

The previous prime is 23144897. The next prime is 23144903. The reversal of 23144899 is 99844132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23144899 - 2¹ = 23144897 is a prime.

Together with 23144897, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (23144893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11572449 + 11572450.

It is an arithmetic number, because the mean of its divisors is an integer number (11572450).

Almost surely, 2^23144899 is an apocalyptic number.

23144899 is a deficient number, since it is larger than the sum of its proper divisors (1).

23144899 is an equidigital number, since it uses as much as digits as its factorization.

23144899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 40.

The square root of 23144899 is about 4810.9145700168. The cubic root of 23144899 is about 284.9826561724.

The spelling of 23144899 in words is "twenty-three million, one hundred forty-four thousand, eight hundred ninety-nine".