123022769 has 2 divisors, whose sum is σ = 123022770. Its totient is φ = 123022768.

The previous prime is 123022763. The next prime is 123022799. The reversal of 123022769 is 967220321.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92640625 + 30382144 = 9625^2 + 5512^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123022769 is a prime.

It is a super-2 number, since 2×123022769² = 30269203384854722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (123022763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61511384 + 61511385.

It is an arithmetic number, because the mean of its divisors is an integer number (61511385).

Almost surely, 2^123022769 is an apocalyptic number.

It is an amenable number.

123022769 is a deficient number, since it is larger than the sum of its proper divisors (1).

123022769 is an equidigital number, since it uses as much as digits as its factorization.

123022769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 123022769 is about 11091.5629647043. The cubic root of 123022769 is about 497.3496683060.

The spelling of 123022769 in words is "one hundred twenty-three million, twenty-two thousand, seven hundred sixty-nine".