1423989912 has 32 divisors (see below), whose sum is σ = 3587158080. Its totient is φ = 471038880.

The previous prime is 1423989907. The next prime is 1423989937. The reversal of 1423989912 is 2199893241.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223318 + ... + 229605.

It is an arithmetic number, because the mean of its divisors is an integer number (112098690).

Almost surely, 2^1423989912 is an apocalyptic number.

1423989912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1423989912 is an abundant number, since it is smaller than the sum of its proper divisors (2163168168).

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

1423989912 is a wasteful number, since it uses less digits than its factorization.

1423989912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453063 (or 453059 counting only the distinct ones).

The product of its digits is 279936, while the sum is 48.

The square root of 1423989912 is about 37735.7908622570. The cubic root of 1423989912 is about 1125.0426089541.

The spelling of 1423989912 in words is "one billion, four hundred twenty-three million, nine hundred eighty-nine thousand, nine hundred twelve".