233412089 has 2 divisors, whose sum is σ = 233412090. Its totient is φ = 233412088.

The previous prime is 233412061. The next prime is 233412103. The reversal of 233412089 is 980214332.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146773225 + 86638864 = 12115^2 + 9308^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-233412089 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (233412589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116706044 + 116706045.

It is an arithmetic number, because the mean of its divisors is an integer number (116706045).

Almost surely, 2^233412089 is an apocalyptic number.

It is an amenable number.

233412089 is a deficient number, since it is larger than the sum of its proper divisors (1).

233412089 is an equidigital number, since it uses as much as digits as its factorization.

233412089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 233412089 is about 15277.8299833451. The cubic root of 233412089 is about 615.7075066448.

The spelling of 233412089 in words is "two hundred thirty-three million, four hundred twelve thousand, eighty-nine".