23000560 has 80 divisors (see below), whose sum is σ = 59460480. Its totient is φ = 8203520.

The previous prime is 23000557. The next prime is 23000563. The reversal of 23000560 is 6500032.

It is an interprime number because it is at equal distance from previous prime (23000557) and next prime (23000563).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23000563) 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, 51699 + ... + 52141.

It is an arithmetic number, because the mean of its divisors is an integer number (743256).

Almost surely, 2^23000560 is an apocalyptic number.

23000560 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 23000560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29730240).

23000560 is an abundant number, since it is smaller than the sum of its proper divisors (36459920).

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

23000560 is a wasteful number, since it uses less digits than its factorization.

23000560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526 (or 520 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 23000560 is about 4795.8899069933. The cubic root of 23000560 is about 284.3890060324.

Adding to 23000560 its reverse (6500032), we get a palindrome (29500592).

The spelling of 23000560 in words is "twenty-three million, five hundred sixty", and thus it is an aban number.