23879889 has 36 divisors (see below), whose sum is σ = 39036816. Its totient is φ = 13950000.

The previous prime is 23879887. The next prime is 23879897. The reversal of 23879889 is 98897832.

It is not a de Polignac number, because 23879889 - 2¹ = 23879887 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23879881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 95014 + ... + 95264.

It is an arithmetic number, because the mean of its divisors is an integer number (1084356).

Almost surely, 2^23879889 is an apocalyptic number.

It is an amenable number.

23879889 is a deficient number, since it is larger than the sum of its proper divisors (15156927).

23879889 is a wasteful number, since it uses less digits than its factorization.

23879889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330 (or 296 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The square root of 23879889 is about 4886.7053318161. The cubic root of 23879889 is about 287.9679145390.

The spelling of 23879889 in words is "twenty-three million, eight hundred seventy-nine thousand, eight hundred eighty-nine".