23479864 has 8 divisors (see below), whose sum is σ = 44024760. Its totient is φ = 11739928.

The previous prime is 23479847. The next prime is 23479871. The reversal of 23479864 is 46897432.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 23479864.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1467484 + ... + 1467499.

It is an arithmetic number, because the mean of its divisors is an integer number (5503095).

Almost surely, 2^23479864 is an apocalyptic number.

It is an amenable number.

23479864 is a deficient number, since it is larger than the sum of its proper divisors (20544896).

23479864 is a wasteful number, since it uses less digits than its factorization.

23479864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2934989 (or 2934985 counting only the distinct ones).

The product of its digits is 290304, while the sum is 43.

The square root of 23479864 is about 4845.6025425121. The cubic root of 23479864 is about 286.3508823626.

The spelling of 23479864 in words is "twenty-three million, four hundred seventy-nine thousand, eight hundred sixty-four".