239752923 has 4 divisors (see below), whose sum is σ = 319670568. Its totient is φ = 159835280.

The previous prime is 239752861. The next prime is 239752939. The reversal of 239752923 is 329257932.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 239752923 - 2¹⁶ = 239687387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (239753923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39958818 + ... + 39958823.

It is an arithmetic number, because the mean of its divisors is an integer number (79917642).

Almost surely, 2^239752923 is an apocalyptic number.

239752923 is a deficient number, since it is larger than the sum of its proper divisors (79917645).

239752923 is an equidigital number, since it uses as much as digits as its factorization.

239752923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79917644.

The product of its digits is 204120, while the sum is 42.

The square root of 239752923 is about 15483.9569555072. The cubic root of 239752923 is about 621.2331708321.

The spelling of 239752923 in words is "two hundred thirty-nine million, seven hundred fifty-two thousand, nine hundred twenty-three".