131231522042623 has 8 divisors (see below), whose sum is σ = 132199460679888. Its totient is φ = 130263728975424.

The previous prime is 131231522042561. The next prime is 131231522042627. The reversal of 131231522042623 is 326240225132131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131231522042623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131231522042627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34582536 + ... + 38189197.

It is an arithmetic number, because the mean of its divisors is an integer number (16524932584986).

Almost surely, 2^{131231522042623} is an apocalyptic number.

131231522042623 is a deficient number, since it is larger than the sum of its proper divisors (967938637265).

131231522042623 is a wasteful number, since it uses less digits than its factorization.

131231522042623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72785033.

The product of its (nonzero) digits is 103680, while the sum is 37.

Adding to 131231522042623 its reverse (326240225132131), we get a palindrome (457471747174754).

The spelling of 131231522042623 in words is "one hundred thirty-one trillion, two hundred thirty-one billion, five hundred twenty-two million, forty-two thousand, six hundred twenty-three".