239832423 has 6 divisors (see below), whose sum is σ = 346424624. Its totient is φ = 159888276.

The previous prime is 239832389. The next prime is 239832427. The reversal of 239832423 is 324238932.

It is not a de Polignac number, because 239832423 - 2⁸ = 239832167 is a prime.

It is a super-2 number, since 2×239832423² = 115039182244101858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239832427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13324015 + ... + 13324032.

Almost surely, 2^239832423 is an apocalyptic number.

239832423 is a deficient number, since it is larger than the sum of its proper divisors (106592201).

239832423 is a wasteful number, since it uses less digits than its factorization.

239832423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26648053 (or 26648050 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 239832423 is about 15486.5239159729. The cubic root of 239832423 is about 621.3018284298.

The spelling of 239832423 in words is "two hundred thirty-nine million, eight hundred thirty-two thousand, four hundred twenty-three".