23345280 has 256 divisors, whose sum is σ = 94982400. Its totient is φ = 5308416.

The previous prime is 23345239. The next prime is 23345303. The reversal of 23345280 is 8254332.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 120864 + ... + 121056.

It is an arithmetic number, because the mean of its divisors is an integer number (371025).

Almost surely, 2^23345280 is an apocalyptic number.

23345280 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 23345280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47491200).

23345280 is an abundant number, since it is smaller than the sum of its proper divisors (71637120).

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

23345280 is a wasteful number, since it uses less digits than its factorization.

23345280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 23345280 is about 4831.6953546349. The cubic root of 23345280 is about 285.8027230993.

The spelling of 23345280 in words is "twenty-three million, three hundred forty-five thousand, two hundred eighty".