23280580 has 12 divisors (see below), whose sum is σ = 48889260. Its totient is φ = 9312224.

The previous prime is 23280571. The next prime is 23280581. The reversal of 23280580 is 8508232.

It can be written as a sum of positive squares in 2 ways, for example, as 7929856 + 15350724 = 2816^2 + 3918^2 .

It is a super-3 number, since 3×23280580³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (23280581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 581995 + ... + 582034.

It is an arithmetic number, because the mean of its divisors is an integer number (4074105).

Almost surely, 2^23280580 is an apocalyptic number.

23280580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23280580 is an abundant number, since it is smaller than the sum of its proper divisors (25608680).

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

23280580 is a wasteful number, since it uses less digits than its factorization.

23280580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164038 (or 1164036 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 23280580 is about 4824.9953367853. The cubic root of 23280580 is about 285.5384506188.

The spelling of 23280580 in words is "twenty-three million, two hundred eighty thousand, five hundred eighty".