232875309 has 4 divisors (see below), whose sum is σ = 310500416. Its totient is φ = 155250204.

The previous prime is 232875289. The next prime is 232875311. The reversal of 232875309 is 903578232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 232875309 - 2⁵ = 232875277 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 (232875319) 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, 38812549 + ... + 38812554.

It is an arithmetic number, because the mean of its divisors is an integer number (77625104).

Almost surely, 2^232875309 is an apocalyptic number.

It is an amenable number.

232875309 is a deficient number, since it is larger than the sum of its proper divisors (77625107).

232875309 is an equidigital number, since it uses as much as digits as its factorization.

232875309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77625106.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 232875309 is about 15260.2525863762. The cubic root of 232875309 is about 615.2351615720.

The spelling of 232875309 in words is "two hundred thirty-two million, eight hundred seventy-five thousand, three hundred nine".