232232009 has 2 divisors, whose sum is σ = 232232010. Its totient is φ = 232232008.

The previous prime is 232231997. The next prime is 232232023. The reversal of 232232009 is 900232232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 221176384 + 11055625 = 14872^2 + 3325^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232232009 is a prime.

It is not a weakly prime, because it can be changed into another prime (232232059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116116004 + 116116005.

It is an arithmetic number, because the mean of its divisors is an integer number (116116005).

Almost surely, 2^232232009 is an apocalyptic number.

It is an amenable number.

232232009 is a deficient number, since it is larger than the sum of its proper divisors (1).

232232009 is an equidigital number, since it uses as much as digits as its factorization.

232232009 is an odious number, because the sum of its binary digits is odd.

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

The square root of 232232009 is about 15239.1603771336. The cubic root of 232232009 is about 614.6681259634.

The spelling of 232232009 in words is "two hundred thirty-two million, two hundred thirty-two thousand, nine".