200123611560 has 48 divisors (see below), whose sum is σ = 650401738740. Its totient is φ = 53366296320.

The previous prime is 200123611487. The next prime is 200123611579. The reversal of 200123611560 is 65116321002.

200123611560 is a `hidden beast` number, since 20 + 0 + 1 + 23 + 61 + 1 + 560 = 666.

200123611560 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 162091591236 + 38032020324 = 402606^2 + 195018^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 277949101 + ... + 277949820.

Almost surely, 2^200123611560 is an apocalyptic number.

200123611560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200123611560 is an abundant number, since it is smaller than the sum of its proper divisors (450278127180).

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

200123611560 is a wasteful number, since it uses less digits than its factorization.

200123611560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555898938 (or 555898931 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

Adding to 200123611560 its reverse (65116321002), we get a palindrome (265239932562).

The spelling of 200123611560 in words is "two hundred billion, one hundred twenty-three million, six hundred eleven thousand, five hundred sixty".