131855855023 has 2 divisors, whose sum is σ = 131855855024. Its totient is φ = 131855855022.

The previous prime is 131855854969. The next prime is 131855855041. The reversal of 131855855023 is 320558558131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131855855023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131855855323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65927927511 + 65927927512.

It is an arithmetic number, because the mean of its divisors is an integer number (65927927512).

Almost surely, 2^131855855023 is an apocalyptic number.

131855855023 is a deficient number, since it is larger than the sum of its proper divisors (1).

131855855023 is an equidigital number, since it uses as much as digits as its factorization.

131855855023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720000, while the sum is 46.

The spelling of 131855855023 in words is "one hundred thirty-one billion, eight hundred fifty-five million, eight hundred fifty-five thousand, twenty-three".