232912171 has 2 divisors, whose sum is σ = 232912172. Its totient is φ = 232912170.

The previous prime is 232912111. The next prime is 232912201. The reversal of 232912171 is 171219232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 232912171 - 2²⁷ = 98694443 is a prime.

It is not a weakly prime, because it can be changed into another prime (232912111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116456085 + 116456086.

It is an arithmetic number, because the mean of its divisors is an integer number (116456086).

Almost surely, 2^232912171 is an apocalyptic number.

232912171 is a deficient number, since it is larger than the sum of its proper divisors (1).

232912171 is an equidigital number, since it uses as much as digits as its factorization.

232912171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 28.

The square root of 232912171 is about 15261.4603167587. The cubic root of 232912171 is about 615.2676218646.

The spelling of 232912171 in words is "two hundred thirty-two million, nine hundred twelve thousand, one hundred seventy-one".