1223032289 has 2 divisors, whose sum is σ = 1223032290. Its totient is φ = 1223032288.

The previous prime is 1223032277. The next prime is 1223032301. The reversal of 1223032289 is 9822303221.

It is a balanced prime because it is at equal distance from previous prime (1223032277) and next prime (1223032301).

It can be written as a sum of positive squares in only one way, i.e., 1130102689 + 92929600 = 33617^2 + 9640^2 .

It is a cyclic number.

It is not a de Polignac number, because 1223032289 - 2¹² = 1223028193 is a prime.

It is not a weakly prime, because it can be changed into another prime (1223032219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611516144 + 611516145.

It is an arithmetic number, because the mean of its divisors is an integer number (611516145).

Almost surely, 2^1223032289 is an apocalyptic number.

It is an amenable number.

1223032289 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223032289 is an equidigital number, since it uses as much as digits as its factorization.

1223032289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 1223032289 is about 34971.8785454828. The cubic root of 1223032289 is about 1069.4142684687.

The spelling of 1223032289 in words is "one billion, two hundred twenty-three million, thirty-two thousand, two hundred eighty-nine".