231466667 has 2 divisors, whose sum is σ = 231466668. Its totient is φ = 231466666.

The previous prime is 231466643. The next prime is 231466723. The reversal of 231466667 is 766664132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231466667 - 2¹⁴ = 231450283 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (231466567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115733333 + 115733334.

It is an arithmetic number, because the mean of its divisors is an integer number (115733334).

Almost surely, 2^231466667 is an apocalyptic number.

231466667 is a deficient number, since it is larger than the sum of its proper divisors (1).

231466667 is an equidigital number, since it uses as much as digits as its factorization.

231466667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 41.

The square root of 231466667 is about 15214.0286249238. The cubic root of 231466667 is about 613.9921510100.

The spelling of 231466667 in words is "two hundred thirty-one million, four hundred sixty-six thousand, six hundred sixty-seven".