233242187 has 2 divisors, whose sum is σ = 233242188. Its totient is φ = 233242186.

The previous prime is 233242169. The next prime is 233242253. The reversal of 233242187 is 781242332.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 233242187 - 2¹⁰ = 233241163 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (233242687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116621093 + 116621094.

It is an arithmetic number, because the mean of its divisors is an integer number (116621094).

Almost surely, 2^233242187 is an apocalyptic number.

233242187 is a deficient number, since it is larger than the sum of its proper divisors (1).

233242187 is an equidigital number, since it uses as much as digits as its factorization.

233242187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 32.

The square root of 233242187 is about 15272.2685610226. The cubic root of 233242187 is about 615.5580780390.

The spelling of 233242187 in words is "two hundred thirty-three million, two hundred forty-two thousand, one hundred eighty-seven".