1423431120 has 40 divisors (see below), whose sum is σ = 4412637216. Its totient is φ = 379581568.

The previous prime is 1423431103. The next prime is 1423431133. The reversal of 1423431120 is 211343241.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2965242 + ... + 2965721.

Almost surely, 2^1423431120 is an apocalyptic number.

1423431120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1423431120 is an abundant number, since it is smaller than the sum of its proper divisors (2989206096).

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

1423431120 is a wasteful number, since it uses less digits than its factorization.

1423431120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5930979 (or 5930973 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1423431120 is about 37728.3861303396. The cubic root of 1423431120 is about 1124.8954292926.

Adding to 1423431120 its reverse (211343241), we get a palindrome (1634774361).

It can be divided in two parts, 14234 and 31120, that added together give a palindrome (45354).

The spelling of 1423431120 in words is "one billion, four hundred twenty-three million, four hundred thirty-one thousand, one hundred twenty".