232223509 has 4 divisors (see below), whose sum is σ = 265398304. Its totient is φ = 199048716.

The previous prime is 232223501. The next prime is 232223513. The reversal of 232223509 is 905322232.

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 a cyclic number.

It is not a de Polignac number, because 232223509 - 2³ = 232223501 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 (232223501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16587387 + ... + 16587400.

It is an arithmetic number, because the mean of its divisors is an integer number (66349576).

Almost surely, 2^232223509 is an apocalyptic number.

It is an amenable number.

232223509 is a deficient number, since it is larger than the sum of its proper divisors (33174795).

232223509 is an equidigital number, since it uses as much as digits as its factorization.

232223509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33174794.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 232223509 is about 15238.8814878258. The cubic root of 232223509 is about 614.6606266486.

The spelling of 232223509 in words is "two hundred thirty-two million, two hundred twenty-three thousand, five hundred nine".