23085980 has 12 divisors (see below), whose sum is σ = 48480600. Its totient is φ = 9234384.

The previous prime is 23085967. The next prime is 23085991. The reversal of 23085980 is 8958032.

It is a self number, because there is not a number n which added to its sum of digits gives 23085980.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 577130 + ... + 577169.

It is an arithmetic number, because the mean of its divisors is an integer number (4040050).

Almost surely, 2^23085980 is an apocalyptic number.

23085980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23085980 is an abundant number, since it is smaller than the sum of its proper divisors (25394620).

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

23085980 is a wasteful number, since it uses less digits than its factorization.

23085980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154308 (or 1154306 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 23085980 is about 4804.7871961201. The cubic root of 23085980 is about 284.7406278784.

The spelling of 23085980 in words is "twenty-three million, eighty-five thousand, nine hundred eighty".