23251399 has 2 divisors, whose sum is σ = 23251400. Its totient is φ = 23251398.

The previous prime is 23251391. The next prime is 23251411. The reversal of 23251399 is 99315232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23251399 - 2³ = 23251391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23251391) 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, 11625699 + 11625700.

It is an arithmetic number, because the mean of its divisors is an integer number (11625700).

Almost surely, 2^23251399 is an apocalyptic number.

23251399 is a deficient number, since it is larger than the sum of its proper divisors (1).

23251399 is an equidigital number, since it uses as much as digits as its factorization.

23251399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14580, while the sum is 34.

The square root of 23251399 is about 4821.9704478564. The cubic root of 23251399 is about 285.4190981897.

The spelling of 23251399 in words is "twenty-three million, two hundred fifty-one thousand, three hundred ninety-nine".