1423323044 has 24 divisors (see below), whose sum is σ = 2926273728. Its totient is φ = 597198240.

The previous prime is 1423323037. The next prime is 1423323047. The reversal of 1423323044 is 4403233241.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (1423323047) 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, 1243592 + ... + 1244735.

It is an arithmetic number, because the mean of its divisors is an integer number (121928072).

Almost surely, 2^1423323044 is an apocalyptic number.

It is an amenable number.

1423323044 is an abundant number, since it is smaller than the sum of its proper divisors (1502950684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1423323044 is a wasteful number, since it uses less digits than its factorization.

1423323044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2488355 (or 2488353 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 1423323044 is about 37726.9538128909. The cubic root of 1423323044 is about 1124.8669588188.

Adding to 1423323044 its reverse (4403233241), we get a palindrome (5826556285).

The spelling of 1423323044 in words is "one billion, four hundred twenty-three million, three hundred twenty-three thousand, forty-four".