23150399 has 2 divisors, whose sum is σ = 23150400. Its totient is φ = 23150398.

The previous prime is 23150389. The next prime is 23150411. The reversal of 23150399 is 99305132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23150399 - 2⁸ = 23150143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23150329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11575199 + 11575200.

It is an arithmetic number, because the mean of its divisors is an integer number (11575200).

Almost surely, 2^23150399 is an apocalyptic number.

23150399 is a deficient number, since it is larger than the sum of its proper divisors (1).

23150399 is an equidigital number, since it uses as much as digits as its factorization.

23150399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7290, while the sum is 32.

The square root of 23150399 is about 4811.4861529469. The cubic root of 23150399 is about 285.0052281795.

The spelling of 23150399 in words is "twenty-three million, one hundred fifty thousand, three hundred ninety-nine".