23319999 has 12 divisors (see below), whose sum is σ = 35149296. Its totient is φ = 14870592.

The previous prime is 23319983. The next prime is 23320019. The reversal of 23319999 is 99991332.

It is not a de Polignac number, because 23319999 - 2⁴ = 23319983 is a prime.

23319999 is a modest number, since divided by 9999 gives 2331 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23319949) 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 11 ways as a sum of consecutive naturals, for example, 56122 + ... + 56535.

It is an arithmetic number, because the mean of its divisors is an integer number (2929108).

Almost surely, 2^23319999 is an apocalyptic number.

23319999 is a deficient number, since it is larger than the sum of its proper divisors (11829297).

23319999 is a wasteful number, since it uses less digits than its factorization.

23319999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112686 (or 112683 counting only the distinct ones).

The product of its digits is 118098, while the sum is 45.

The square root of 23319999 is about 4829.0784835204. The cubic root of 23319999 is about 285.6995189630.

The spelling of 23319999 in words is "twenty-three million, three hundred nineteen thousand, nine hundred ninety-nine".