7913123404 has 12 divisors (see below), whose sum is σ = 13871969944. Its totient is φ = 3949703424.

The previous prime is 7913123381. The next prime is 7913123429. The reversal of 7913123404 is 4043213197.

It is a self number, because there is not a number n which added to its sum of digits gives 7913123404.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1711974 + ... + 1716589.

Almost surely, 2^7913123404 is an apocalyptic number.

It is an amenable number.

7913123404 is a deficient number, since it is larger than the sum of its proper divisors (5958846540).

7913123404 is a wasteful number, since it uses less digits than its factorization.

7913123404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3429144 (or 3429142 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 7913123404 is about 88955.7384545820. The cubic root of 7913123404 is about 1992.7339176587.

The spelling of 7913123404 in words is "seven billion, nine hundred thirteen million, one hundred twenty-three thousand, four hundred four".