423109233 has 24 divisors (see below), whose sum is σ = 644178080. Its totient is φ = 266872320.

The previous prime is 423109187. The next prime is 423109249. The reversal of 423109233 is 332901324.

It is a happy number.

423109233 is a `hidden beast` number, since 423 + 1 + 0 + 9 + 233 = 666.

It is not a de Polignac number, because 423109233 - 2¹⁴ = 423092849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 423109197 and 423109206.

It is not an unprimeable number, because it can be changed into a prime (423109283) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 199185 + ... + 201297.

Almost surely, 2^423109233 is an apocalyptic number.

It is an amenable number.

423109233 is a deficient number, since it is larger than the sum of its proper divisors (221068847).

423109233 is a wasteful number, since it uses less digits than its factorization.

423109233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3309 (or 3306 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 423109233 is about 20569.6191748899. The cubic root of 423109233 is about 750.7306852343.

The spelling of 423109233 in words is "four hundred twenty-three million, one hundred nine thousand, two hundred thirty-three".