1423744432 has 20 divisors (see below), whose sum is σ = 3009278376. Its totient is φ = 647156480.

The previous prime is 1423744429. The next prime is 1423744447. The reversal of 1423744432 is 2344473241.

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, 4044553 + ... + 4044904.

Almost surely, 2^1423744432 is an apocalyptic number.

It is an amenable number.

1423744432 is an abundant number, since it is smaller than the sum of its proper divisors (1585533944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1423744432 is a wasteful number, since it uses less digits than its factorization.

1423744432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8089476 (or 8089470 counting only the distinct ones).

The product of its digits is 64512, while the sum is 34.

The square root of 1423744432 is about 37732.5381070503. The cubic root of 1423744432 is about 1124.9779569673.

The spelling of 1423744432 in words is "one billion, four hundred twenty-three million, seven hundred forty-four thousand, four hundred thirty-two".