231444342543 has 8 divisors (see below), whose sum is σ = 308596017456. Its totient is φ = 154294448000.

The previous prime is 231444342541. The next prime is 231444342557. The reversal of 231444342543 is 345243444132.

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 231444342543 - 2¹ = 231444342541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231444342541) 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, 104538 + ... + 688343.

It is an arithmetic number, because the mean of its divisors is an integer number (38574502182).

Almost surely, 2^231444342543 is an apocalyptic number.

231444342543 is a deficient number, since it is larger than the sum of its proper divisors (77151674913).

231444342543 is an equidigital number, since it uses as much as digits as its factorization.

231444342543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890185.

The product of its digits is 552960, while the sum is 39.

Adding to 231444342543 its reverse (345243444132), we get a palindrome (576687786675).

The spelling of 231444342543 in words is "two hundred thirty-one billion, four hundred forty-four million, three hundred forty-two thousand, five hundred forty-three".