123244321143 has 4 divisors (see below), whose sum is σ = 164325761528. Its totient is φ = 82162880760.

The previous prime is 123244321111. The next prime is 123244321171. The reversal of 123244321143 is 341123442321.

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

It is not a de Polignac number, because 123244321143 - 2⁵ = 123244321111 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 123244321143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123244321243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20540720188 + ... + 20540720193.

It is an arithmetic number, because the mean of its divisors is an integer number (41081440382).

Almost surely, 2^123244321143 is an apocalyptic number.

123244321143 is a deficient number, since it is larger than the sum of its proper divisors (41081440385).

123244321143 is an equidigital number, since it uses as much as digits as its factorization.

123244321143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41081440384.

The product of its digits is 13824, while the sum is 30.

Adding to 123244321143 its reverse (341123442321), we get a palindrome (464367763464).

The spelling of 123244321143 in words is "one hundred twenty-three billion, two hundred forty-four million, three hundred twenty-one thousand, one hundred forty-three".