423981696 has 32 divisors (see below), whose sum is σ = 1126202400. Its totient is φ = 141327104.

The previous prime is 423981667. The next prime is 423981743. The reversal of 423981696 is 696189324.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 551676 + ... + 552443.

It is an arithmetic number, because the mean of its divisors is an integer number (35193825).

Almost surely, 2^423981696 is an apocalyptic number.

It is an amenable number.

423981696 is an abundant number, since it is smaller than the sum of its proper divisors (702220704).

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

423981696 is a wasteful number, since it uses less digits than its factorization.

423981696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104136 (or 1104124 counting only the distinct ones).

The product of its digits is 559872, while the sum is 48.

The square root of 423981696 is about 20590.8158167665. The cubic root of 423981696 is about 751.2463401455.

The spelling of 423981696 in words is "four hundred twenty-three million, nine hundred eighty-one thousand, six hundred ninety-six".