23206399 has 2 divisors, whose sum is σ = 23206400. Its totient is φ = 23206398.

The previous prime is 23206397. The next prime is 23206433. The reversal of 23206399 is 99360232.

It is an a-pointer prime, because the next prime (23206433) can be obtained adding 23206399 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23206399 - 2¹ = 23206397 is a prime.

Together with 23206397, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23206397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11603199 + 11603200.

It is an arithmetic number, because the mean of its divisors is an integer number (11603200).

Almost surely, 2^23206399 is an apocalyptic number.

23206399 is a deficient number, since it is larger than the sum of its proper divisors (1).

23206399 is an equidigital number, since it uses as much as digits as its factorization.

23206399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 23206399 is about 4817.3020457513. The cubic root of 23206399 is about 285.2348490011.

The spelling of 23206399 in words is "twenty-three million, two hundred six thousand, three hundred ninety-nine".