1423605322 has 4 divisors (see below), whose sum is σ = 2135407986. Its totient is φ = 711802660.

The previous prime is 1423605319. The next prime is 1423605329. The reversal of 1423605322 is 2235063241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2235063241 = 61 ⋅36640381.

It can be written as a sum of positive squares in only one way, i.e., 1393454241 + 30151081 = 37329^2 + 5491^2 .

It is a super-2 number, since 2×1423605322² = 4053304225653447368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1423605329) 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, 355901329 + ... + 355901332.

Almost surely, 2^1423605322 is an apocalyptic number.

1423605322 is a deficient number, since it is larger than the sum of its proper divisors (711802664).

1423605322 is an equidigital number, since it uses as much as digits as its factorization.

1423605322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711802663.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 1423605322 is about 37730.6946927830. The cubic root of 1423605322 is about 1124.9413163134.

Adding to 1423605322 its reverse (2235063241), we get a palindrome (3658668563).

The spelling of 1423605322 in words is "one billion, four hundred twenty-three million, six hundred five thousand, three hundred twenty-two".