1323043042 has 4 divisors (see below), whose sum is σ = 1984564566. Its totient is φ = 661521520.

The previous prime is 1323043027. The next prime is 1323043067. The reversal of 1323043042 is 2403403231.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1083133921 + 239909121 = 32911^2 + 15489^2 .

It is a super-2 number, since 2×1323043042² = 3500885781969227528, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330760759 + ... + 330760762.

Almost surely, 2^1323043042 is an apocalyptic number.

1323043042 is a deficient number, since it is larger than the sum of its proper divisors (661521524).

1323043042 is an equidigital number, since it uses as much as digits as its factorization.

1323043042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661521523.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 1323043042 is about 36373.6586281886. The cubic root of 1323043042 is about 1097.8036179297.

Adding to 1323043042 its reverse (2403403231), we get a palindrome (3726446273).

The spelling of 1323043042 in words is "one billion, three hundred twenty-three million, forty-three thousand, forty-two".