1423302409 has 2 divisors, whose sum is σ = 1423302410. Its totient is φ = 1423302408.

The previous prime is 1423302401. The next prime is 1423302431. The reversal of 1423302409 is 9042033241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1112556025 + 310746384 = 33355^2 + 17628^2 .

It is a cyclic number.

It is not a de Polignac number, because 1423302409 - 2³ = 1423302401 is a prime.

It is not a weakly prime, because it can be changed into another prime (1423302401) 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, 711651204 + 711651205.

It is an arithmetic number, because the mean of its divisors is an integer number (711651205).

Almost surely, 2^1423302409 is an apocalyptic number.

It is an amenable number.

1423302409 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423302409 is an equidigital number, since it uses as much as digits as its factorization.

1423302409 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 1423302409 is about 37726.6803336843. The cubic root of 1423302409 is about 1124.8615227743.

The spelling of 1423302409 in words is "one billion, four hundred twenty-three million, three hundred two thousand, four hundred nine".