1323304442 has 4 divisors (see below), whose sum is σ = 1984956666. Its totient is φ = 661652220.

The previous prime is 1323304439. The next prime is 1323304453. The reversal of 1323304442 is 2444033231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2444033231 = 8689 ⋅281279.

It can be written as a sum of positive squares in only one way, i.e., 1253230801 + 70073641 = 35401^2 + 8371^2 .

It is a super-2 number, since 2×1323304442² = 3502269292433862728, 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, 330826109 + ... + 330826112.

Almost surely, 2^1323304442 is an apocalyptic number.

1323304442 is a deficient number, since it is larger than the sum of its proper divisors (661652224).

1323304442 is an equidigital number, since it uses as much as digits as its factorization.

1323304442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661652223.

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

The square root of 1323304442 is about 36377.2517103753. The cubic root of 1323304442 is about 1097.8759126219.

Adding to 1323304442 its reverse (2444033231), we get a palindrome (3767337673).

The spelling of 1323304442 in words is "one billion, three hundred twenty-three million, three hundred four thousand, four hundred forty-two".