233441009 has 2 divisors, whose sum is σ = 233441010. Its totient is φ = 233441008.

The previous prime is 233440979. The next prime is 233441041. The reversal of 233441009 is 900144332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 233233984 + 207025 = 15272^2 + 455^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-233441009 is a prime.

It is equal to p_12821129 and since 233441009 and 12821129 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (233441209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116720504 + 116720505.

It is an arithmetic number, because the mean of its divisors is an integer number (116720505).

Almost surely, 2^233441009 is an apocalyptic number.

It is an amenable number.

233441009 is a deficient number, since it is larger than the sum of its proper divisors (1).

233441009 is an equidigital number, since it uses as much as digits as its factorization.

233441009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 233441009 is about 15278.7764235229. The cubic root of 233441009 is about 615.7329345276.

The spelling of 233441009 in words is "two hundred thirty-three million, four hundred forty-one thousand, nine".