123044043223 has 2 divisors, whose sum is σ = 123044043224. Its totient is φ = 123044043222.

The previous prime is 123044043217. The next prime is 123044043233. The reversal of 123044043223 is 322340440321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123044043223 - 2²⁵ = 123010488791 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123044043191 and 123044043200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123044043233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61522021611 + 61522021612.

It is an arithmetic number, because the mean of its divisors is an integer number (61522021612).

Almost surely, 2^123044043223 is an apocalyptic number.

123044043223 is a deficient number, since it is larger than the sum of its proper divisors (1).

123044043223 is an equidigital number, since it uses as much as digits as its factorization.

123044043223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 123044043223 its reverse (322340440321), we get a palindrome (445384483544).

The spelling of 123044043223 in words is "one hundred twenty-three billion, forty-four million, forty-three thousand, two hundred twenty-three".