1423963916 has 24 divisors (see below), whose sum is σ = 2581536720. Its totient is φ = 686452032.

The previous prime is 1423963903. The next prime is 1423963921. The reversal of 1423963916 is 6193693241.

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 7 ways as a sum of consecutive naturals, for example, 76655 + ... + 93401.

It is an arithmetic number, because the mean of its divisors is an integer number (107564030).

Almost surely, 2^1423963916 is an apocalyptic number.

It is an amenable number.

1423963916 is a deficient number, since it is larger than the sum of its proper divisors (1157572804).

1423963916 is a wasteful number, since it uses less digits than its factorization.

1423963916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17513 (or 17511 counting only the distinct ones).

The product of its digits is 209952, while the sum is 44.

The square root of 1423963916 is about 37735.4464131538. The cubic root of 1423963916 is about 1125.0357627479.

The spelling of 1423963916 in words is "one billion, four hundred twenty-three million, nine hundred sixty-three thousand, nine hundred sixteen".