1423931888 has 20 divisors (see below), whose sum is σ = 2760318120. Its totient is φ = 711591744.

The previous prime is 1423931833. The next prime is 1423931891. The reversal of 1423931888 is 8881393241.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9398 + ... + 54186.

It is an arithmetic number, because the mean of its divisors is an integer number (138015906).

Almost surely, 2^1423931888 is an apocalyptic number.

It is an amenable number.

1423931888 is a deficient number, since it is larger than the sum of its proper divisors (1336386232).

1423931888 is a wasteful number, since it uses less digits than its factorization.

1423931888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46784 (or 46778 counting only the distinct ones).

The product of its digits is 331776, while the sum is 47.

The square root of 1423931888 is about 37735.0220352394. The cubic root of 1423931888 is about 1125.0273278629.

The spelling of 1423931888 in words is "one billion, four hundred twenty-three million, nine hundred thirty-one thousand, eight hundred eighty-eight".