23086320 has 160 divisors (see below), whose sum is σ = 77137920. Its totient is φ = 5698560.

The previous prime is 23086307. The next prime is 23086337. The reversal of 23086320 is 2368032.

It is a super-2 number, since 2×23086320² = 1065956342284800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent 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, 215707 + ... + 215813.

It is an arithmetic number, because the mean of its divisors is an integer number (482112).

Almost surely, 2^23086320 is an apocalyptic number.

23086320 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 23086320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38568960).

23086320 is an abundant number, since it is smaller than the sum of its proper divisors (54051600).

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

23086320 is a wasteful number, since it uses less digits than its factorization.

23086320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 23086320 is about 4804.8225773695. The cubic root of 23086320 is about 284.7420257158.

The spelling of 23086320 in words is "twenty-three million, eighty-six thousand, three hundred twenty".