23117304 has 64 divisors (see below), whose sum is σ = 67852800. Its totient is φ = 6424704.

The previous prime is 23117293. The next prime is 23117327. The reversal of 23117304 is 40371132.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4357 + ... + 8075.

It is an arithmetic number, because the mean of its divisors is an integer number (1060200).

Almost surely, 2^23117304 is an apocalyptic number.

23117304 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 23117304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33926400).

23117304 is an abundant number, since it is smaller than the sum of its proper divisors (44735496).

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

23117304 is a wasteful number, since it uses less digits than its factorization.

23117304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3772 (or 3768 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 23117304 is about 4808.0457568538. The cubic root of 23117304 is about 284.8693522453.

Adding to 23117304 its reverse (40371132), we get a palindrome (63488436).

The spelling of 23117304 in words is "twenty-three million, one hundred seventeen thousand, three hundred four".