23266560 has 144 divisors (see below), whose sum is σ = 76233024. Its totient is φ = 6045696.

The previous prime is 23266549. The next prime is 23266571. The reversal of 23266560 is 6566232.

It is an interprime number because it is at equal distance from previous prime (23266549) and next prime (23266571).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280279 + ... + 280361.

It is an arithmetic number, because the mean of its divisors is an integer number (529396).

Almost surely, 2^23266560 is an apocalyptic number.

23266560 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 23266560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38116512).

23266560 is an abundant number, since it is smaller than the sum of its proper divisors (52966464).

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

23266560 is an equidigital number, since it uses as much as digits as its factorization.

23266560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180 (or 166 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 23266560 is about 4823.5422668408. The cubic root of 23266560 is about 285.4811202465.

The spelling of 23266560 in words is "twenty-three million, two hundred sixty-six thousand, five hundred sixty".