123202112443 has 2 divisors, whose sum is σ = 123202112444. Its totient is φ = 123202112442.

The previous prime is 123202112431. The next prime is 123202112459. The reversal of 123202112443 is 344211202321.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123202112443 is a prime.

It is not a weakly prime, because it can be changed into another prime (123202112843) 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 as a sum of consecutive naturals, namely, 61601056221 + 61601056222.

It is an arithmetic number, because the mean of its divisors is an integer number (61601056222).

Almost surely, 2^123202112443 is an apocalyptic number.

123202112443 is a deficient number, since it is larger than the sum of its proper divisors (1).

123202112443 is an equidigital number, since it uses as much as digits as its factorization.

123202112443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 123202112443 its reverse (344211202321), we get a palindrome (467413314764).

The spelling of 123202112443 in words is "one hundred twenty-three billion, two hundred two million, one hundred twelve thousand, four hundred forty-three".