123001120043 has 2 divisors, whose sum is σ = 123001120044. Its totient is φ = 123001120042.

The previous prime is 123001120013. The next prime is 123001120049. The reversal of 123001120043 is 340021100321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123001120043 - 2⁶ = 123001119979 is a prime.

It is not a weakly prime, because it can be changed into another prime (123001120049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61500560021 + 61500560022.

It is an arithmetic number, because the mean of its divisors is an integer number (61500560022).

Almost surely, 2^123001120043 is an apocalyptic number.

123001120043 is a deficient number, since it is larger than the sum of its proper divisors (1).

123001120043 is an equidigital number, since it uses as much as digits as its factorization.

123001120043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 123001120043 its reverse (340021100321), we get a palindrome (463022220364).

The spelling of 123001120043 in words is "one hundred twenty-three billion, one million, one hundred twenty thousand, forty-three".