23009580 has 72 divisors (see below), whose sum is σ = 76147344. Its totient is φ = 5577600.

The previous prime is 23009521. The next prime is 23009611. The reversal of 23009580 is 8590032.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 3831 + ... + 7790.

It is an arithmetic number, because the mean of its divisors is an integer number (1057602).

Almost surely, 2^23009580 is an apocalyptic number.

23009580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23009580 is an abundant number, since it is smaller than the sum of its proper divisors (53137764).

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

23009580 is a wasteful number, since it uses less digits than its factorization.

23009580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11647 (or 11642 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 23009580 is about 4796.8302033739. The cubic root of 23009580 is about 284.4261769184.

The spelling of 23009580 in words is "twenty-three million, nine thousand, five hundred eighty".