1023323444 has 24 divisors (see below), whose sum is σ = 2103896928. Its totient is φ = 429366240.

The previous prime is 1023323443. The next prime is 1023323453. The reversal of 1023323444 is 4443233201.

It is a super-2 number, since 2×1023323444² = 2094381742080042272, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023323443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 893942 + ... + 895085.

It is an arithmetic number, because the mean of its divisors is an integer number (87662372).

Almost surely, 2^1023323444 is an apocalyptic number.

It is an amenable number.

1023323444 is an abundant number, since it is smaller than the sum of its proper divisors (1080573484).

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

1023323444 is a wasteful number, since it uses less digits than its factorization.

1023323444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1789055 (or 1789053 counting only the distinct ones).

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

The square root of 1023323444 is about 31989.4270658291. The cubic root of 1023323444 is about 1007.7148099828.

Adding to 1023323444 its reverse (4443233201), we get a palindrome (5466556645).

The spelling of 1023323444 in words is "one billion, twenty-three million, three hundred twenty-three thousand, four hundred forty-four".