120020200123 has 2 divisors, whose sum is σ = 120020200124. Its totient is φ = 120020200122.

The previous prime is 120020200093. The next prime is 120020200171. The reversal of 120020200123 is 321002020021.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120020200123 is a prime.

It is not a weakly prime, because it can be changed into another prime (120020200423) 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, 60010100061 + 60010100062.

It is an arithmetic number, because the mean of its divisors is an integer number (60010100062).

Almost surely, 2^120020200123 is an apocalyptic number.

120020200123 is a deficient number, since it is larger than the sum of its proper divisors (1).

120020200123 is an equidigital number, since it uses as much as digits as its factorization.

120020200123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 120020200123 its reverse (321002020021), we get a palindrome (441022220144).

The spelling of 120020200123 in words is "one hundred twenty billion, twenty million, two hundred thousand, one hundred twenty-three".