1423120432 has 20 divisors (see below), whose sum is σ = 2821420360. Its totient is φ = 695011968.

The previous prime is 1423120427. The next prime is 1423120453. The reversal of 1423120432 is 2340213241.

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, 1033557 + ... + 1034932.

It is an arithmetic number, because the mean of its divisors is an integer number (141071018).

Almost surely, 2^1423120432 is an apocalyptic number.

It is an amenable number.

1423120432 is a deficient number, since it is larger than the sum of its proper divisors (1398299928).

1423120432 is a wasteful number, since it uses less digits than its factorization.

1423120432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2068540 (or 2068534 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1423120432 is about 37724.2684753462. The cubic root of 1423120432 is about 1124.8135808311.

Adding to 1423120432 its reverse (2340213241), we get a palindrome (3763333673).

It can be divided in two parts, 142 and 3120432, that multiplied together give a palindrome (443101344).

The spelling of 1423120432 in words is "one billion, four hundred twenty-three million, one hundred twenty thousand, four hundred thirty-two".