123350312149 has 2 divisors, whose sum is σ = 123350312150. Its totient is φ = 123350312148.

The previous prime is 123350312123. The next prime is 123350312201. The reversal of 123350312149 is 941213053321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67401505924 + 55948806225 = 259618^2 + 236535^2 .

It is a cyclic number.

It is not a de Polignac number, because 123350312149 - 2⁷ = 123350312021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123350372149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61675156074 + 61675156075.

It is an arithmetic number, because the mean of its divisors is an integer number (61675156075).

Almost surely, 2^123350312149 is an apocalyptic number.

It is an amenable number.

123350312149 is a deficient number, since it is larger than the sum of its proper divisors (1).

123350312149 is an equidigital number, since it uses as much as digits as its factorization.

123350312149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 34.

The spelling of 123350312149 in words is "one hundred twenty-three billion, three hundred fifty million, three hundred twelve thousand, one hundred forty-nine".