1423361369 has 2 divisors, whose sum is σ = 1423361370. Its totient is φ = 1423361368.

The previous prime is 1423361299. The next prime is 1423361411. The reversal of 1423361369 is 9631633241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1346009344 + 77352025 = 36688^2 + 8795^2 .

It is an emirp because it is prime and its reverse (9631633241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1423361369 is a prime.

It is a super-2 number, since 2×1423361369² = 4051915173523108322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1423360369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711680684 + 711680685.

It is an arithmetic number, because the mean of its divisors is an integer number (711680685).

Almost surely, 2^1423361369 is an apocalyptic number.

It is an amenable number.

1423361369 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423361369 is an equidigital number, since it uses as much as digits as its factorization.

1423361369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 38.

The square root of 1423361369 is about 37727.4617354521. The cubic root of 1423361369 is about 1124.8770549431.

The spelling of 1423361369 in words is "one billion, four hundred twenty-three million, three hundred sixty-one thousand, three hundred sixty-nine".