1323444042 has 32 divisors (see below), whose sum is σ = 2942251200. Its totient is φ = 440958384.

The previous prime is 1323444011. The next prime is 1323444049. The reversal of 1323444042 is 2404443231.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1323443997 and 1323444015.

It is not an unprimeable number, because it can be changed into a prime (1323444049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183684 + ... + 190752.

It is an arithmetic number, because the mean of its divisors is an integer number (91945350).

Almost surely, 2^1323444042 is an apocalyptic number.

1323444042 is an abundant number, since it is smaller than the sum of its proper divisors (1618807158).

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

1323444042 is a wasteful number, since it uses less digits than its factorization.

1323444042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10547 (or 10541 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 1323444042 is about 36379.1704413391. The cubic root of 1323444042 is about 1097.9145175172.

Adding to 1323444042 its reverse (2404443231), we get a palindrome (3727887273).

The spelling of 1323444042 in words is "one billion, three hundred twenty-three million, four hundred forty-four thousand, forty-two".