23326320 has 80 divisors (see below), whose sum is σ = 73245312. Its totient is φ = 6140160.

The previous prime is 23326309. The next prime is 23326337. The reversal of 23326320 is 2362332.

It is a tau number, because it is divible by the number of its divisors (80).

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, 19335 + ... + 20505.

Almost surely, 2^23326320 is an apocalyptic number.

23326320 is a gapful number since it is divisible by the number (20) 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 23326320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36622656).

23326320 is an abundant number, since it is smaller than the sum of its proper divisors (49918992).

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

23326320 is a wasteful number, since it uses less digits than its factorization.

23326320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270 (or 1264 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 23326320 is about 4829.7329118700. The cubic root of 23326320 is about 285.7253300493.

Adding to 23326320 its reverse (2362332), we get a palindrome (25688652).

The spelling of 23326320 in words is "twenty-three million, three hundred twenty-six thousand, three hundred twenty".