23556151316131 has 4 divisors (see below), whose sum is σ = 26921315789872. Its totient is φ = 20190986842392.

The previous prime is 23556151316099. The next prime is 23556151316189. The reversal of 23556151316131 is 13161315165532.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23556151316131 - 2⁵ = 23556151316099 is a prime.

It is a super-2 number, since 2×23556151316131² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23556151317131) 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, 1682582236860 + ... + 1682582236873.

It is an arithmetic number, because the mean of its divisors is an integer number (6730328947468).

Almost surely, 2^{23556151316131} is an apocalyptic number.

23556151316131 is a deficient number, since it is larger than the sum of its proper divisors (3365164473741).

23556151316131 is an equidigital number, since it uses as much as digits as its factorization.

23556151316131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3365164473740.

The product of its digits is 243000, while the sum is 43.

The spelling of 23556151316131 in words is "twenty-three trillion, five hundred fifty-six billion, one hundred fifty-one million, three hundred sixteen thousand, one hundred thirty-one".