231242142443263 has 8 divisors (see below), whose sum is σ = 264277115989632. Its totient is φ = 198207264339096.

The previous prime is 231242142443201. The next prime is 231242142443321. The reversal of 231242142443263 is 362344241242132.

231242142443263 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 231242142443263 - 2²¹ = 231242140346111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231242142443863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18591145 + ... + 28427362.

It is an arithmetic number, because the mean of its divisors is an integer number (33034639498704).

Almost surely, 2^{231242142443263} is an apocalyptic number.

231242142443263 is a deficient number, since it is larger than the sum of its proper divisors (33034973546369).

231242142443263 is an equidigital number, since it uses as much as digits as its factorization.

231242142443263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47721101.

The product of its digits is 1327104, while the sum is 43.

Adding to 231242142443263 its reverse (362344241242132), we get a palindrome (593586383685395).

The spelling of 231242142443263 in words is "two hundred thirty-one trillion, two hundred forty-two billion, one hundred forty-two million, four hundred forty-three thousand, two hundred sixty-three".