123050442152249 has 2 divisors, whose sum is σ = 123050442152250. Its totient is φ = 123050442152248.

The previous prime is 123050442152221. The next prime is 123050442152311. The reversal of 123050442152249 is 942251244050321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122969646932224 + 80795220025 = 11089168^2 + 284245^2 .

It is a cyclic number.

It is not a de Polignac number, because 123050442152249 - 2³² = 123046147184953 is a prime.

It is a super-2 number, since 2×123050442152249² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (123050442151249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61525221076124 + 61525221076125.

It is an arithmetic number, because the mean of its divisors is an integer number (61525221076125).

Almost surely, 2^{123050442152249} is an apocalyptic number.

It is an amenable number.

123050442152249 is a deficient number, since it is larger than the sum of its proper divisors (1).

123050442152249 is an equidigital number, since it uses as much as digits as its factorization.

123050442152249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 691200, while the sum is 44.

The spelling of 123050442152249 in words is "one hundred twenty-three trillion, fifty billion, four hundred forty-two million, one hundred fifty-two thousand, two hundred forty-nine".