232151191 has 2 divisors, whose sum is σ = 232151192. Its totient is φ = 232151190.

The previous prime is 232151173. The next prime is 232151197. The reversal of 232151191 is 191151232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 232151191 - 2¹⁵ = 232118423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232151197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116075595 + 116075596.

It is an arithmetic number, because the mean of its divisors is an integer number (116075596).

Almost surely, 2^232151191 is an apocalyptic number.

232151191 is a deficient number, since it is larger than the sum of its proper divisors (1).

232151191 is an equidigital number, since it uses as much as digits as its factorization.

232151191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 540, while the sum is 25.

The square root of 232151191 is about 15236.5084911209. The cubic root of 232151191 is about 614.5968150756.

The spelling of 232151191 in words is "two hundred thirty-two million, one hundred fifty-one thousand, one hundred ninety-one".