23080640 has 112 divisors (see below), whose sum is σ = 61447680. Its totient is φ = 8186880.

The previous prime is 23080639. The next prime is 23080643. The reversal of 23080640 is 4608032.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23080643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 278039 + ... + 278121.

It is an arithmetic number, because the mean of its divisors is an integer number (548640).

Almost surely, 2^23080640 is an apocalyptic number.

23080640 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 23080640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30723840).

23080640 is an abundant number, since it is smaller than the sum of its proper divisors (38367040).

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

23080640 is a wasteful number, since it uses less digits than its factorization.

23080640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 23080640 is about 4804.2314681955. The cubic root of 23080640 is about 284.7186718080.

Adding to 23080640 its reverse (4608032), we get a palindrome (27688672).

The spelling of 23080640 in words is "twenty-three million, eighty thousand, six hundred forty".