131376416623 has 2 divisors, whose sum is σ = 131376416624. Its totient is φ = 131376416622.

The previous prime is 131376416603. The next prime is 131376416671. The reversal of 131376416623 is 326614673131.

It is a weak prime.

It is an emirp because it is prime and its reverse (326614673131) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131376416623 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131376416623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131376416603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65688208311 + 65688208312.

It is an arithmetic number, because the mean of its divisors is an integer number (65688208312).

Almost surely, 2^131376416623 is an apocalyptic number.

131376416623 is a deficient number, since it is larger than the sum of its proper divisors (1).

131376416623 is an equidigital number, since it uses as much as digits as its factorization.

131376416623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 43.

The spelling of 131376416623 in words is "one hundred thirty-one billion, three hundred seventy-six million, four hundred sixteen thousand, six hundred twenty-three".