1423130444 has 6 divisors (see below), whose sum is σ = 2490478284. Its totient is φ = 711565220.

The previous prime is 1423130417. The next prime is 1423130453. The reversal of 1423130444 is 4440313241.

It is an unprimeable number.

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, 177891302 + ... + 177891309.

It is an arithmetic number, because the mean of its divisors is an integer number (415079714).

Almost surely, 2^1423130444 is an apocalyptic number.

It is an amenable number.

1423130444 is a deficient number, since it is larger than the sum of its proper divisors (1067347840).

1423130444 is a wasteful number, since it uses less digits than its factorization.

1423130444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355782615 (or 355782613 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 1423130444 is about 37724.4011748364. The cubic root of 1423130444 is about 1124.8162186044.

Adding to 1423130444 its reverse (4440313241), we get a palindrome (5863443685).

The spelling of 1423130444 in words is "one billion, four hundred twenty-three million, one hundred thirty thousand, four hundred forty-four".