423198783 has 16 divisors (see below), whose sum is σ = 716527360. Its totient is φ = 241827768.

The previous prime is 423198779. The next prime is 423198817. The reversal of 423198783 is 387891324.

It is not a de Polignac number, because 423198783 - 2² = 423198779 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423198583) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1119385 + ... + 1119762.

It is an arithmetic number, because the mean of its divisors is an integer number (44782960).

Almost surely, 2^423198783 is an apocalyptic number.

423198783 is a deficient number, since it is larger than the sum of its proper divisors (293328577).

423198783 is a wasteful number, since it uses less digits than its factorization.

423198783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2239163 (or 2239157 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 423198783 is about 20571.7958136863. The cubic root of 423198783 is about 750.7836449157.

The spelling of 423198783 in words is "four hundred twenty-three million, one hundred ninety-eight thousand, seven hundred eighty-three".