23155869713986 has 8 divisors (see below), whose sum is σ = 34877928242124. Its totient is φ = 11529893633280.

The previous prime is 23155869713981. The next prime is 23155869714071. The reversal of 23155869713986 is 68931796855132.

It can be written as a sum of positive squares in 2 ways, for example, as 18200931725025 + 4954937988961 = 4266255^2 + 2225969^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×23155869713986² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23155869713981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24020611255 + ... + 24020612218.

Almost surely, 2^{23155869713986} is an apocalyptic number.

23155869713986 is a deficient number, since it is larger than the sum of its proper divisors (11722058528138).

23155869713986 is a wasteful number, since it uses less digits than its factorization.

23155869713986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48041223716.

The product of its digits is 587865600, while the sum is 73.

The spelling of 23155869713986 in words is "twenty-three trillion, one hundred fifty-five billion, eight hundred sixty-nine million, seven hundred thirteen thousand, nine hundred eighty-six".