1322023429 has 2 divisors, whose sum is σ = 1322023430. Its totient is φ = 1322023428.

The previous prime is 1322023403. The next prime is 1322023459. The reversal of 1322023429 is 9243202231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 991620100 + 330403329 = 31490^2 + 18177^2 .

It is an emirp because it is prime and its reverse (9243202231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1322023429 - 2¹³ = 1322015237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1322023397 and 1322023406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1322023459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661011714 + 661011715.

It is an arithmetic number, because the mean of its divisors is an integer number (661011715).

Almost surely, 2^1322023429 is an apocalyptic number.

It is an amenable number.

1322023429 is a deficient number, since it is larger than the sum of its proper divisors (1).

1322023429 is an equidigital number, since it uses as much as digits as its factorization.

1322023429 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 28.

The square root of 1322023429 is about 36359.6401109802. The cubic root of 1322023429 is about 1097.5215352689.

The spelling of 1322023429 in words is "one billion, three hundred twenty-two million, twenty-three thousand, four hundred twenty-nine".