423983416 has 16 divisors (see below), whose sum is σ = 805860000. Its totient is φ = 209087424.

The previous prime is 423983389. The next prime is 423983429. The reversal of 423983416 is 614389324.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362416 + ... + 363583.

It is an arithmetic number, because the mean of its divisors is an integer number (50366250).

Almost surely, 2^423983416 is an apocalyptic number.

It is an amenable number.

423983416 is a deficient number, since it is larger than the sum of its proper divisors (381876584).

423983416 is a wasteful number, since it uses less digits than its factorization.

423983416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726078 (or 726074 counting only the distinct ones).

The product of its digits is 124416, while the sum is 40.

The square root of 423983416 is about 20590.8575829177. The cubic root of 423983416 is about 751.2473560242.

The spelling of 423983416 in words is "four hundred twenty-three million, nine hundred eighty-three thousand, four hundred sixteen".