123320424043 has 2 divisors, whose sum is σ = 123320424044. Its totient is φ = 123320424042.

The previous prime is 123320424011. The next prime is 123320424053. The reversal of 123320424043 is 340424023321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123320424043 - 2⁵ = 123320424011 is a prime.

It is a super-2 number, since 2×123320424043² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (123320424053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61660212021 + 61660212022.

It is an arithmetic number, because the mean of its divisors is an integer number (61660212022).

Almost surely, 2^123320424043 is an apocalyptic number.

123320424043 is a deficient number, since it is larger than the sum of its proper divisors (1).

123320424043 is an equidigital number, since it uses as much as digits as its factorization.

123320424043 is an odious number, because the sum of its binary digits is odd.

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

Adding to 123320424043 its reverse (340424023321), we get a palindrome (463744447364).

The spelling of 123320424043 in words is "one hundred twenty-three billion, three hundred twenty million, four hundred twenty-four thousand, forty-three".