423563996 has 24 divisors (see below), whose sum is σ = 749075040. Its totient is φ = 209553152.

The previous prime is 423563981. The next prime is 423563999. The reversal of 423563996 is 699365324.

It is a self number, because there is not a number n which added to its sum of digits gives 423563996.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423563999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195656 + ... + 197808.

It is an arithmetic number, because the mean of its divisors is an integer number (31211460).

Almost surely, 2^423563996 is an apocalyptic number.

It is an amenable number.

423563996 is a deficient number, since it is larger than the sum of its proper divisors (325511044).

423563996 is a wasteful number, since it uses less digits than its factorization.

423563996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2653 (or 2651 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 47.

The square root of 423563996 is about 20580.6704458334. The cubic root of 423563996 is about 750.9995537830. Note that the first 3 decimals are identical.

The spelling of 423563996 in words is "four hundred twenty-three million, five hundred sixty-three thousand, nine hundred ninety-six".