2312543560 has 32 divisors (see below), whose sum is σ = 5241215160. Its totient is φ = 918263296.

The previous prime is 2312543557. The next prime is 2312543581. The reversal of 2312543560 is 653452132.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1852269444 + 460274116 = 43038^2 + 21454^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205519 + ... + 216478.

Almost surely, 2^2312543560 is an apocalyptic number.

2312543560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2312543560 is an abundant number, since it is smaller than the sum of its proper divisors (2928671600).

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

2312543560 is a wasteful number, since it uses less digits than its factorization.

2312543560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422145 (or 422141 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 2312543560 is about 48088.9130673589. The cubic root of 2312543560 is about 1322.4014213206.

Adding to 2312543560 its reverse (653452132), we get a palindrome (2965995692).

The spelling of 2312543560 in words is "two billion, three hundred twelve million, five hundred forty-three thousand, five hundred sixty".