231165793 has 2 divisors, whose sum is σ = 231165794. Its totient is φ = 231165792.

The previous prime is 231165733. The next prime is 231165827. The reversal of 231165793 is 397561132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 230341329 + 824464 = 15177^2 + 908^2 .

It is a cyclic number.

It is not a de Polignac number, because 231165793 - 2⁹ = 231165281 is a prime.

It is not a weakly prime, because it can be changed into another prime (231165703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115582896 + 115582897.

It is an arithmetic number, because the mean of its divisors is an integer number (115582897).

Almost surely, 2^231165793 is an apocalyptic number.

It is an amenable number.

231165793 is a deficient number, since it is larger than the sum of its proper divisors (1).

231165793 is an equidigital number, since it uses as much as digits as its factorization.

231165793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34020, while the sum is 37.

The square root of 231165793 is about 15204.1373645465. The cubic root of 231165793 is about 613.7260012766.

The spelling of 231165793 in words is "two hundred thirty-one million, one hundred sixty-five thousand, seven hundred ninety-three".