1423404022 has 4 divisors (see below), whose sum is σ = 2135106036. Its totient is φ = 711702010.

The previous prime is 1423403963. The next prime is 1423404043. The reversal of 1423404022 is 2204043241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2204043241 = 23 ⋅95827967.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1423403984 and 1423404002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 355851004 + ... + 355851007.

It is an arithmetic number, because the mean of its divisors is an integer number (533776509).

Almost surely, 2^1423404022 is an apocalyptic number.

1423404022 is a deficient number, since it is larger than the sum of its proper divisors (711702014).

1423404022 is an equidigital number, since it uses as much as digits as its factorization.

1423404022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711702013.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 1423404022 is about 37728.0270091082. The cubic root of 1423404022 is about 1124.8882909985. Note that the first 3 decimals are identical.

Adding to 1423404022 its reverse (2204043241), we get a palindrome (3627447263).

The spelling of 1423404022 in words is "one billion, four hundred twenty-three million, four hundred four thousand, twenty-two".