23135580522916 has 81 divisors (see below), whose sum is σ = 43292024461161. Its totient is φ = 10816144809984.

The previous prime is 23135580522893. The next prime is 23135580522917. The reversal of 23135580522916 is 61922508553132.

The square root of 23135580522916 is 4809946.

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

It can be written as a sum of positive squares in 13 ways, for example, as 349316460900 + 22786264062016 = 591030^2 + 4773496^2 .

It is a super-2 number, since 2×23135580522916² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23135580522917) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 31562865286 + ... + 31562866018.

Almost surely, 2^{23135580522916} is an apocalyptic number.

23135580522916 is the 4809946-th square number.

It is an amenable number.

23135580522916 is a deficient number, since it is larger than the sum of its proper divisors (20156443938245).

23135580522916 is an frugal number, since it uses more digits than its factorization.

23135580522916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1890 (or 945 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 52.

It can be divided in two parts, 23135580 and 522916, that added together give a square (23658496 = 4864²).

The spelling of 23135580522916 in words is "twenty-three trillion, one hundred thirty-five billion, five hundred eighty million, five hundred twenty-two thousand, nine hundred sixteen".