23255280 has 60 divisors (see below), whose sum is σ = 78101400. Its totient is φ = 6201216.

The previous prime is 23255257. The next prime is 23255291. The reversal of 23255280 is 8255232.

23255280 is a `hidden beast` number, since 2 + 32 + 552 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15430 + ... + 16869.

It is an arithmetic number, because the mean of its divisors is an integer number (1301690).

Almost surely, 2^23255280 is an apocalyptic number.

23255280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23255280 is an abundant number, since it is smaller than the sum of its proper divisors (54846120).

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

23255280 is a wasteful number, since it uses less digits than its factorization.

23255280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32318 (or 32309 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 23255280 is about 4822.3728599104. The cubic root of 23255280 is about 285.4349775194.

The spelling of 23255280 in words is "twenty-three million, two hundred fifty-five thousand, two hundred eighty".