231745067 has 2 divisors, whose sum is σ = 231745068. Its totient is φ = 231745066.

The previous prime is 231745049. The next prime is 231745121. The reversal of 231745067 is 760547132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231745067 - 2⁸ = 231744811 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (231745567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115872533 + 115872534.

It is an arithmetic number, because the mean of its divisors is an integer number (115872534).

Almost surely, 2^231745067 is an apocalyptic number.

231745067 is a deficient number, since it is larger than the sum of its proper divisors (1).

231745067 is an equidigital number, since it uses as much as digits as its factorization.

231745067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 231745067 is about 15223.1753257985. The cubic root of 231745067 is about 614.2382151354.

The spelling of 231745067 in words is "two hundred thirty-one million, seven hundred forty-five thousand, sixty-seven".