232023209 has 4 divisors (see below), whose sum is σ = 253116240. Its totient is φ = 210930180.

The previous prime is 232023203. The next prime is 232023217. The reversal of 232023209 is 902320232.

232023209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2^k-232023209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232023203) 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, 10546499 + ... + 10546520.

It is an arithmetic number, because the mean of its divisors is an integer number (63279060).

Almost surely, 2^232023209 is an apocalyptic number.

It is an amenable number.

232023209 is a deficient number, since it is larger than the sum of its proper divisors (21093031).

232023209 is a wasteful number, since it uses less digits than its factorization.

232023209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21093030.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 232023209 is about 15232.3080654246. The cubic root of 232023209 is about 614.4838545118.

It can be divided in two parts, 232023 and 209, that added together give a palindrome (232232).

The spelling of 232023209 in words is "two hundred thirty-two million, twenty-three thousand, two hundred nine".