123442444043 has 8 divisors (see below), whose sum is σ = 124583807040. Its totient is φ = 122304699720.

The previous prime is 123442444031. The next prime is 123442444091. The reversal of 123442444043 is 340444244321.

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 123442444043 - 2¹² = 123442439947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123442443994 and 123442444012.

It is not an unprimeable number, because it can be changed into a prime (123442449043) 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 7 ways as a sum of consecutive naturals, for example, 836105 + ... + 972602.

It is an arithmetic number, because the mean of its divisors is an integer number (15572975880).

Almost surely, 2^123442444043 is an apocalyptic number.

123442444043 is a deficient number, since it is larger than the sum of its proper divisors (1141362997).

123442444043 is a wasteful number, since it uses less digits than its factorization.

123442444043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1809337.

The product of its (nonzero) digits is 147456, while the sum is 35.

Adding to 123442444043 its reverse (340444244321), we get a palindrome (463886688364).

The spelling of 123442444043 in words is "one hundred twenty-three billion, four hundred forty-two million, four hundred forty-four thousand, forty-three".