12323520404 has 24 divisors (see below), whose sum is σ = 23543255400. Its totient is φ = 5609862144.

The previous prime is 12323520397. The next prime is 12323520421. The reversal of 12323520404 is 40402532321.

It can be written as a sum of positive squares in 4 ways, for example, as 300304 + 12323220100 = 548^2 + 111010^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1619429 + ... + 1627020.

It is an arithmetic number, because the mean of its divisors is an integer number (980968975).

Almost surely, 2^12323520404 is an apocalyptic number.

It is an amenable number.

12323520404 is a deficient number, since it is larger than the sum of its proper divisors (11219734996).

12323520404 is a wasteful number, since it uses less digits than its factorization.

12323520404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3246539 (or 3246537 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The spelling of 12323520404 in words is "twelve billion, three hundred twenty-three million, five hundred twenty thousand, four hundred four".