23255980 has 48 divisors (see below), whose sum is σ = 54736416. Its totient is φ = 8225280.

The previous prime is 23255977. The next prime is 23255987. The reversal of 23255980 is 8955232.

It is a super-3 number, since 3×23255980³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (23255987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6712 + ... + 9568.

It is an arithmetic number, because the mean of its divisors is an integer number (1140342).

Almost surely, 2^23255980 is an apocalyptic number.

23255980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23255980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27368208).

23255980 is an abundant number, since it is smaller than the sum of its proper divisors (31480436).

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

23255980 is a wasteful number, since it uses less digits than its factorization.

23255980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2914 (or 2912 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 23255980 is about 4822.4454377421. The cubic root of 23255980 is about 285.4378414207.

The spelling of 23255980 in words is "twenty-three million, two hundred fifty-five thousand, nine hundred eighty".