4123578812 has 12 divisors (see below), whose sum is σ = 7411297320. Its totient is φ = 2006065296.

The previous prime is 4123578799. The next prime is 4123578821. The reversal of 4123578812 is 2188753214.

It is a self number, because there is not a number n which added to its sum of digits gives 4123578812.

It is a congruent number.

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, 13930862 + ... + 13931157.

It is an arithmetic number, because the mean of its divisors is an integer number (617608110).

Almost surely, 2^4123578812 is an apocalyptic number.

It is an amenable number.

4123578812 is a deficient number, since it is larger than the sum of its proper divisors (3287718508).

4123578812 is a wasteful number, since it uses less digits than its factorization.

4123578812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27862060 (or 27862058 counting only the distinct ones).

The product of its digits is 107520, while the sum is 41.

The square root of 4123578812 is about 64215.0980066215. The cubic root of 4123578812 is about 1603.5829616478.

The spelling of 4123578812 in words is "four billion, one hundred twenty-three million, five hundred seventy-eight thousand, eight hundred twelve".