1423444444 has 24 divisors (see below), whose sum is σ = 2559691008. Its totient is φ = 692290800.

The previous prime is 1423444441. The next prime is 1423444469. The reversal of 1423444444 is 4444443241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423444441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7419 + ... + 53869.

It is an arithmetic number, because the mean of its divisors is an integer number (106653792).

Almost surely, 2^1423444444 is an apocalyptic number.

It is an amenable number.

1423444444 is a deficient number, since it is larger than the sum of its proper divisors (1136246564).

1423444444 is a wasteful number, since it uses less digits than its factorization.

1423444444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46665 (or 46663 counting only the distinct ones).

The product of its digits is 98304, while the sum is 34.

The square root of 1423444444 is about 37728.5627078478. The cubic root of 1423444444 is about 1124.8989391358.

Adding to 1423444444 its reverse (4444443241), we get a palindrome (5867887685).

The spelling of 1423444444 in words is "one billion, four hundred twenty-three million, four hundred forty-four thousand, four hundred forty-four".