1043223149 has 2 divisors, whose sum is σ = 1043223150. Its totient is φ = 1043223148.

The previous prime is 1043223127. The next prime is 1043223163. The reversal of 1043223149 is 9413223401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 948024100 + 95199049 = 30790^2 + 9757^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1043223149 is a prime.

It is a super-3 number, since 3×1043223149³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1043223169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521611574 + 521611575.

It is an arithmetic number, because the mean of its divisors is an integer number (521611575).

Almost surely, 2^1043223149 is an apocalyptic number.

It is an amenable number.

1043223149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1043223149 is an equidigital number, since it uses as much as digits as its factorization.

1043223149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 1043223149 is about 32298.9651382208. The cubic root of 1043223149 is about 1014.2049794582.

The spelling of 1043223149 in words is "one billion, forty-three million, two hundred twenty-three thousand, one hundred forty-nine".