23016399 has 16 divisors (see below), whose sum is σ = 36598272. Its totient is φ = 12580128.

The previous prime is 23016397. The next prime is 23016407. The reversal of 23016399 is 99361032.

It is not a de Polignac number, because 23016399 - 2¹ = 23016397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23016397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23344 + ... + 24309.

It is an arithmetic number, because the mean of its divisors is an integer number (2287392).

Almost surely, 2^23016399 is an apocalyptic number.

23016399 is a deficient number, since it is larger than the sum of its proper divisors (13581873).

23016399 is a wasteful number, since it uses less digits than its factorization.

23016399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47686.

The product of its (nonzero) digits is 8748, while the sum is 33.

The square root of 23016399 is about 4797.5409326029. The cubic root of 23016399 is about 284.4542711664.

The spelling of 23016399 in words is "twenty-three million, sixteen thousand, three hundred ninety-nine".