123053149 has 2 divisors, whose sum is σ = 123053150. Its totient is φ = 123053148.

The previous prime is 123053141. The next prime is 123053171. The reversal of 123053149 is 941350321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81540900 + 41512249 = 9030^2 + 6443^2 .

It is an emirp because it is prime and its reverse (941350321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123053149 - 2³ = 123053141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123053141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61526574 + 61526575.

It is an arithmetic number, because the mean of its divisors is an integer number (61526575).

Almost surely, 2^123053149 is an apocalyptic number.

It is an amenable number.

123053149 is a deficient number, since it is larger than the sum of its proper divisors (1).

123053149 is an equidigital number, since it uses as much as digits as its factorization.

123053149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 123053149 is about 11092.9323895893. The cubic root of 123053149 is about 497.3906044662.

The spelling of 123053149 in words is "one hundred twenty-three million, fifty-three thousand, one hundred forty-nine".