23664234 has 64 divisors (see below), whose sum is σ = 55157760. Its totient is φ = 6693120.

The previous prime is 23664211. The next prime is 23664247. The reversal of 23664234 is 43246632.

23664234 = 1107² + 1108² + ... + 1125².

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141619 + ... + 141785.

It is an arithmetic number, because the mean of its divisors is an integer number (861840).

Almost surely, 2^23664234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23664234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27578880).

23664234 is an abundant number, since it is smaller than the sum of its proper divisors (31493526).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23664234 is a wasteful number, since it uses less digits than its factorization.

23664234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315.

The product of its digits is 20736, while the sum is 30.

The square root of 23664234 is about 4864.5898079900. The cubic root of 23664234 is about 287.0984296573.

The spelling of 23664234 in words is "twenty-three million, six hundred sixty-four thousand, two hundred thirty-four".