23999997 has 16 divisors (see below), whose sum is σ = 36761600. Its totient is φ = 13642992.

The previous prime is 23999981. The next prime is 23999999. The reversal of 23999997 is 79999932.

It is not a de Polignac number, because 23999997 - 2⁴ = 23999981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23999999) 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, 1308 + ... + 7050.

It is an arithmetic number, because the mean of its divisors is an integer number (2297600).

Almost surely, 2^23999997 is an apocalyptic number.

It is an amenable number.

23999997 is a deficient number, since it is larger than the sum of its proper divisors (12761603).

23999997 is a wasteful number, since it uses less digits than its factorization.

23999997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5952.

The product of its digits is 2480058, while the sum is 57.

The square root of 23999997 is about 4898.9791793801. The cubic root of 23999997 is about 288.4499020427.

The spelling of 23999997 in words is "twenty-three million, nine hundred ninety-nine thousand, nine hundred ninety-seven".