12923684451 has 24 divisors (see below), whose sum is σ = 18726576960. Its totient is φ = 8588592000.

The previous prime is 12923684437. The next prime is 12923684467. The reversal of 12923684451 is 15448632921.

12923684451 is a `hidden beast` number, since 1 + 2 + 92 + 36 + 84 + 451 = 666.

It is not a de Polignac number, because 12923684451 - 2⁹ = 12923683939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12923684397 and 12923684406.

It is not an unprimeable number, because it can be changed into a prime (12923684401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5495926 + ... + 5498276.

It is an arithmetic number, because the mean of its divisors is an integer number (780274040).

Almost surely, 2^12923684451 is an apocalyptic number.

12923684451 is a deficient number, since it is larger than the sum of its proper divisors (5802892509).

12923684451 is a wasteful number, since it uses less digits than its factorization.

12923684451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4027 (or 4024 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The spelling of 12923684451 in words is "twelve billion, nine hundred twenty-three million, six hundred eighty-four thousand, four hundred fifty-one".