123102344149 has 2 divisors, whose sum is σ = 123102344150. Its totient is φ = 123102344148.

The previous prime is 123102344087. The next prime is 123102344161. The reversal of 123102344149 is 941443201321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82221548049 + 40880796100 = 286743^2 + 202190^2 .

It is a cyclic number.

It is not a de Polignac number, because 123102344149 - 2¹¹ = 123102342101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123202344149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61551172074 + 61551172075.

It is an arithmetic number, because the mean of its divisors is an integer number (61551172075).

Almost surely, 2^123102344149 is an apocalyptic number.

It is an amenable number.

123102344149 is a deficient number, since it is larger than the sum of its proper divisors (1).

123102344149 is an equidigital number, since it uses as much as digits as its factorization.

123102344149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 123102344149 in words is "one hundred twenty-three billion, one hundred two million, three hundred forty-four thousand, one hundred forty-nine".