23869399 has 2 divisors, whose sum is σ = 23869400. Its totient is φ = 23869398.

The previous prime is 23869393. The next prime is 23869427. The reversal of 23869399 is 99396832.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23869399 - 2⁷ = 23869271 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23869393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11934699 + 11934700.

It is an arithmetic number, because the mean of its divisors is an integer number (11934700).

Almost surely, 2^23869399 is an apocalyptic number.

23869399 is a deficient number, since it is larger than the sum of its proper divisors (1).

23869399 is an equidigital number, since it uses as much as digits as its factorization.

23869399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 629856, while the sum is 49.

The square root of 23869399 is about 4885.6318936244. The cubic root of 23869399 is about 287.9257420111.

The spelling of 23869399 in words is "twenty-three million, eight hundred sixty-nine thousand, three hundred ninety-nine".