231241443023 has 4 divisors (see below), whose sum is σ = 232533294840. Its totient is φ = 229949591208.

The previous prime is 231241442977. The next prime is 231241443067. The reversal of 231241443023 is 320344142132.

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 231241443023 - 2¹² = 231241438927 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 (231241442023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 645925640 + ... + 645925997.

It is an arithmetic number, because the mean of its divisors is an integer number (58133323710).

Almost surely, 2^231241443023 is an apocalyptic number.

231241443023 is a deficient number, since it is larger than the sum of its proper divisors (1291851817).

231241443023 is a wasteful number, since it uses less digits than its factorization.

231241443023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291851816.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 231241443023 its reverse (320344142132), we get a palindrome (551585585155).

The spelling of 231241443023 in words is "two hundred thirty-one billion, two hundred forty-one million, four hundred forty-three thousand, twenty-three".