912931561623 has 8 divisors (see below), whose sum is σ = 1217246532208. Its totient is φ = 608618816064.

The previous prime is 912931561609. The next prime is 912931561651. The reversal of 912931561623 is 326165139219.

912931561623 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 912931561623 - 2¹³ = 912931553431 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 (912931561123) 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, 1140465 + ... + 1768197.

It is an arithmetic number, because the mean of its divisors is an integer number (152155816526).

Almost surely, 2^912931561623 is an apocalyptic number.

912931561623 is a deficient number, since it is larger than the sum of its proper divisors (304314970585).

912931561623 is a wasteful number, since it uses less digits than its factorization.

912931561623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112513.

The product of its digits is 524880, while the sum is 48.

The spelling of 912931561623 in words is "nine hundred twelve billion, nine hundred thirty-one million, five hundred sixty-one thousand, six hundred twenty-three".