23438304 has 72 divisors (see below), whose sum is σ = 67420080. Its totient is φ = 7723008.

The previous prime is 23438269. The next prime is 23438309. The reversal of 23438304 is 40383432.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23438309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27517 + ... + 28355.

It is an arithmetic number, because the mean of its divisors is an integer number (936390).

Almost surely, 2^23438304 is an apocalyptic number.

23438304 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 23438304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33710040).

23438304 is an abundant number, since it is smaller than the sum of its proper divisors (43981776).

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

23438304 is a wasteful number, since it uses less digits than its factorization.

23438304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952 (or 941 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 23438304 is about 4841.3122188101. The cubic root of 23438304 is about 286.1818329574.

The spelling of 23438304 in words is "twenty-three million, four hundred thirty-eight thousand, three hundred four".