673712231 has 2 divisors, whose sum is σ = 673712232. Its totient is φ = 673712230.

The previous prime is 673712219. The next prime is 673712341. The reversal of 673712231 is 132217376.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-673712231 is a prime.

It is a super-2 number, since 2×673712231² = 907776340397994722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (673712131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336856115 + 336856116.

It is an arithmetic number, because the mean of its divisors is an integer number (336856116).

Almost surely, 2^673712231 is an apocalyptic number.

673712231 is a deficient number, since it is larger than the sum of its proper divisors (1).

673712231 is an equidigital number, since it uses as much as digits as its factorization.

673712231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10584, while the sum is 32.

The square root of 673712231 is about 25955.9671559355. The cubic root of 673712231 is about 876.6471204967.

The spelling of 673712231 in words is "six hundred seventy-three million, seven hundred twelve thousand, two hundred thirty-one".