23339664 has 160 divisors (see below), whose sum is σ = 73209600. Its totient is φ = 7185024.

The previous prime is 23339653. The next prime is 23339671. The reversal of 23339664 is 46693332.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

Its product of digits (69984) is a multiple of the sum of its prime factors (81).

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, 804802 + ... + 804830.

It is an arithmetic number, because the mean of its divisors is an integer number (457560).

Almost surely, 2^23339664 is an apocalyptic number.

23339664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23339664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36604800).

23339664 is an abundant number, since it is smaller than the sum of its proper divisors (49869936).

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

23339664 is an equidigital number, since it uses as much as digits as its factorization.

23339664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81 (or 57 counting only the distinct ones).

The product of its digits is 69984, while the sum is 36.

The square root of 23339664 is about 4831.1141572105. The cubic root of 23339664 is about 285.7798034510.

The spelling of 23339664 in words is "twenty-three million, three hundred thirty-nine thousand, six hundred sixty-four".