1223310149 has 2 divisors, whose sum is σ = 1223310150. Its totient is φ = 1223310148.

The previous prime is 1223310097. The next prime is 1223310163. The reversal of 1223310149 is 9410133221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1077021124 + 146289025 = 32818^2 + 12095^2 .

It is a cyclic number.

It is not a de Polignac number, because 1223310149 - 2²⁴ = 1206532933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1223310199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611655074 + 611655075.

It is an arithmetic number, because the mean of its divisors is an integer number (611655075).

Almost surely, 2^1223310149 is an apocalyptic number.

It is an amenable number.

1223310149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223310149 is an equidigital number, since it uses as much as digits as its factorization.

1223310149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 1223310149 is about 34975.8509403274. The cubic root of 1223310149 is about 1069.4952488733.

The spelling of 1223310149 in words is "one billion, two hundred twenty-three million, three hundred ten thousand, one hundred forty-nine".