131623250473747 has 4 divisors (see below), whose sum is σ = 131733580106520. Its totient is φ = 131512920840976.

The previous prime is 131623250473727. The next prime is 131623250473751. The reversal of 131623250473747 is 747374052326131.

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 131623250473747 - 2²⁷ = 131623116256019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131623250473727) 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, 55164814597 + ... + 55164816982.

It is an arithmetic number, because the mean of its divisors is an integer number (32933395026630).

Almost surely, 2^{131623250473747} is an apocalyptic number.

131623250473747 is a deficient number, since it is larger than the sum of its proper divisors (110329632773).

131623250473747 is a wasteful number, since it uses less digits than its factorization.

131623250473747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110329632772.

The product of its (nonzero) digits is 17781120, while the sum is 55.

The spelling of 131623250473747 in words is "one hundred thirty-one trillion, six hundred twenty-three billion, two hundred fifty million, four hundred seventy-three thousand, seven hundred forty-seven".