23565551060 has 24 divisors (see below), whose sum is σ = 49500545640. Its totient is φ = 9423765504.

The previous prime is 23565551057. The next prime is 23565551069. The reversal of 23565551060 is 6015556532.

It can be written as a sum of positive squares in 4 ways, for example, as 456078736 + 23109472324 = 21356^2 + 152018^2 .

It is a super-2 number, since 2×23565551060² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23565551069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73709 + ... + 229268.

It is an arithmetic number, because the mean of its divisors is an integer number (2062522735).

Almost surely, 2^23565551060 is an apocalyptic number.

23565551060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23565551060 is an abundant number, since it is smaller than the sum of its proper divisors (25934994580).

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

23565551060 is a wasteful number, since it uses less digits than its factorization.

23565551060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306875 (or 306873 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 38.

The spelling of 23565551060 in words is "twenty-three billion, five hundred sixty-five million, five hundred fifty-one thousand, sixty".