23537653839844 has 81 divisors (see below), whose sum is σ = 45223271276841. Its totient is φ = 10716906395520.

The previous prime is 23537653839829. The next prime is 23537653839851. The reversal of 23537653839844 is 44893835673532.

The square root of 23537653839844 is 4851562.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 18325163024100 + 5212490815744 = 4280790^2 + 2283088^2 .

It is a super-2 number, since 2×23537653839844² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 5113544047 + ... + 5113548649.

Almost surely, 2^{23537653839844} is an apocalyptic number.

23537653839844 is the 4851562-nd square number.

It is an amenable number.

23537653839844 is a deficient number, since it is larger than the sum of its proper divisors (21685617436997).

23537653839844 is an frugal number, since it uses more digits than its factorization.

23537653839844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9306 (or 4653 counting only the distinct ones).

The product of its digits is 1567641600, while the sum is 70.

The spelling of 23537653839844 in words is "twenty-three trillion, five hundred thirty-seven billion, six hundred fifty-three million, eight hundred thirty-nine thousand, eight hundred forty-four".