231768743 has 4 divisors (see below), whose sum is σ = 231817608. Its totient is φ = 231719880.

The previous prime is 231768731. The next prime is 231768749. The reversal of 231768743 is 347867132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 231768743 - 2¹⁸ = 231506599 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 231768743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231768749) 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 in 3 ways as a sum of consecutive naturals, for example, 16448 + ... + 27093.

It is an arithmetic number, because the mean of its divisors is an integer number (57954402).

Almost surely, 2^231768743 is an apocalyptic number.

231768743 is a deficient number, since it is larger than the sum of its proper divisors (48865).

231768743 is an equidigital number, since it uses as much as digits as its factorization.

231768743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48864.

The product of its digits is 169344, while the sum is 41.

The square root of 231768743 is about 15223.9529360807. The cubic root of 231768743 is about 614.2591320981.

The spelling of 231768743 in words is "two hundred thirty-one million, seven hundred sixty-eight thousand, seven hundred forty-three".