23255780 has 12 divisors (see below), whose sum is σ = 48837180. Its totient is φ = 9302304.

The previous prime is 23255773. The next prime is 23255803. The reversal of 23255780 is 8755232.

It can be written as a sum of positive squares in 2 ways, for example, as 8076964 + 15178816 = 2842^2 + 3896^2 .

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 3 ways as a sum of consecutive naturals, for example, 581375 + ... + 581414.

It is an arithmetic number, because the mean of its divisors is an integer number (4069765).

Almost surely, 2^23255780 is an apocalyptic number.

23255780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23255780 is an abundant number, since it is smaller than the sum of its proper divisors (25581400).

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

23255780 is a wasteful number, since it uses less digits than its factorization.

23255780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162798 (or 1162796 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 23255780 is about 4822.4247013302. The cubic root of 23255780 is about 285.4370231691.

The spelling of 23255780 in words is "twenty-three million, two hundred fifty-five thousand, seven hundred eighty".