131237767123 has 16 divisors (see below), whose sum is σ = 135793874304. Its totient is φ = 126737896320.

The previous prime is 131237767121. The next prime is 131237767127. The reversal of 131237767123 is 321767732131.

It is a cyclic number.

It is not a de Polignac number, because 131237767123 - 2¹ = 131237767121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131237767123.

It is not an unprimeable number, because it can be changed into a prime (131237767121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3047286 + ... + 3090052.

It is an arithmetic number, because the mean of its divisors is an integer number (8487117144).

Almost surely, 2^131237767123 is an apocalyptic number.

131237767123 is a deficient number, since it is larger than the sum of its proper divisors (4556107181).

131237767123 is a wasteful number, since it uses less digits than its factorization.

131237767123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43422.

The product of its digits is 222264, while the sum is 43.

The spelling of 131237767123 in words is "one hundred thirty-one billion, two hundred thirty-seven million, seven hundred sixty-seven thousand, one hundred twenty-three".