1323402442 has 8 divisors (see below), whose sum is σ = 2017646532. Its totient is φ = 650853600.

The previous prime is 1323402439. The next prime is 1323402449. The reversal of 1323402442 is 2442043231.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1319796241 + 3606201 = 36329^2 + 1899^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1323402449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5423659 + ... + 5423902.

Almost surely, 2^1323402442 is an apocalyptic number.

1323402442 is a deficient number, since it is larger than the sum of its proper divisors (694244090).

1323402442 is a wasteful number, since it uses less digits than its factorization.

1323402442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10847624.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 1323402442 is about 36378.5986810927. The cubic root of 1323402442 is about 1097.9030137636.

Adding to 1323402442 its reverse (2442043231), we get a palindrome (3765445673).

The spelling of 1323402442 in words is "one billion, three hundred twenty-three million, four hundred two thousand, four hundred forty-two".