1423443404 has 12 divisors (see below), whose sum is σ = 2491750800. Its totient is φ = 711514608.

The previous prime is 1423443403. The next prime is 1423443407. The reversal of 1423443404 is 4043443241.

It is a happy number.

It is a super-2 number, since 2×1423443404² = 4052382248782214432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1423443401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35759 + ... + 64230.

It is an arithmetic number, because the mean of its divisors is an integer number (207645900).

Almost surely, 2^1423443404 is an apocalyptic number.

It is an amenable number.

1423443404 is a deficient number, since it is larger than the sum of its proper divisors (1068307396).

1423443404 is a wasteful number, since it uses less digits than its factorization.

1423443404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103552 (or 103550 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

The square root of 1423443404 is about 37728.5489251840. The cubic root of 1423443404 is about 1124.8986651770.

Adding to 1423443404 its reverse (4043443241), we get a palindrome (5466886645).

The spelling of 1423443404 in words is "one billion, four hundred twenty-three million, four hundred forty-three thousand, four hundred four".