1423322305 has 4 divisors (see below), whose sum is σ = 1707986772. Its totient is φ = 1138657840.

The previous prime is 1423322267. The next prime is 1423322321. The reversal of 1423322305 is 5032233241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1012003344 + 411318961 = 31812^2 + 20281^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1423322305 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1423322305.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142332226 + ... + 142332235.

It is an arithmetic number, because the mean of its divisors is an integer number (426996693).

Almost surely, 2^1423322305 is an apocalyptic number.

It is an amenable number.

1423322305 is a deficient number, since it is larger than the sum of its proper divisors (284664467).

1423322305 is an equidigital number, since it uses as much as digits as its factorization.

1423322305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284664466.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 1423322305 is about 37726.9440188309. The cubic root of 1423322305 is about 1124.8667641389.

Adding to 1423322305 its reverse (5032233241), we get a palindrome (6455555546).

The spelling of 1423322305 in words is "one billion, four hundred twenty-three million, three hundred twenty-two thousand, three hundred five".