231375743 has 2 divisors, whose sum is σ = 231375744. Its totient is φ = 231375742.

The previous prime is 231375719. The next prime is 231375761. The reversal of 231375743 is 347573132.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231375743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231375773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115687871 + 115687872.

It is an arithmetic number, because the mean of its divisors is an integer number (115687872).

Almost surely, 2^231375743 is an apocalyptic number.

231375743 is a deficient number, since it is larger than the sum of its proper divisors (1).

231375743 is an equidigital number, since it uses as much as digits as its factorization.

231375743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52920, while the sum is 35.

The square root of 231375743 is about 15211.0401682462. The cubic root of 231375743 is about 613.9117449995.

The spelling of 231375743 in words is "two hundred thirty-one million, three hundred seventy-five thousand, seven hundred forty-three".