23560720 has 20 divisors (see below), whose sum is σ = 54778860. Its totient is φ = 9424256.

The previous prime is 23560709. The next prime is 23560729. The reversal of 23560720 is 2706532.

It can be written as a sum of positive squares in 2 ways, for example, as 2876416 + 20684304 = 1696^2 + 4548^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (23560729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147175 + ... + 147334.

It is an arithmetic number, because the mean of its divisors is an integer number (2738943).

Almost surely, 2^23560720 is an apocalyptic number.

23560720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23560720 is an abundant number, since it is smaller than the sum of its proper divisors (31218140).

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

23560720 is a wasteful number, since it uses less digits than its factorization.

23560720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294522 (or 294516 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 23560720 is about 4853.9386069459. The cubic root of 23560720 is about 286.6792014229.

The spelling of 23560720 in words is "twenty-three million, five hundred sixty thousand, seven hundred twenty".