12313723666522 has 64 divisors (see below), whose sum is σ = 19946570194944. Its totient is φ = 5679976458240.

The previous prime is 12313723666483. The next prime is 12313723666549. The reversal of 12313723666522 is 22566632731321.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1035021678 + ... + 1035033574.

It is an arithmetic number, because the mean of its divisors is an integer number (311665159296).

Almost surely, 2^{12313723666522} is an apocalyptic number.

12313723666522 is a deficient number, since it is larger than the sum of its proper divisors (7632846528422).

12313723666522 is a wasteful number, since it uses less digits than its factorization.

12313723666522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13663.

The product of its digits is 3265920, while the sum is 49.

The spelling of 12313723666522 in words is "twelve trillion, three hundred thirteen billion, seven hundred twenty-three million, six hundred sixty-six thousand, five hundred twenty-two".