1323322142 has 16 divisors (see below), whose sum is σ = 2055898800. Its totient is φ = 638077440.

The previous prime is 1323322139. The next prime is 1323322201. The reversal of 1323322142 is 2412233231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36542 + ... + 63102.

It is an arithmetic number, because the mean of its divisors is an integer number (128493675).

Almost surely, 2^1323322142 is an apocalyptic number.

1323322142 is a deficient number, since it is larger than the sum of its proper divisors (732576658).

1323322142 is a wasteful number, since it uses less digits than its factorization.

1323322142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27451.

The product of its digits is 1728, while the sum is 23.

The square root of 1323322142 is about 36377.4949934709. The cubic root of 1323322142 is about 1097.8808075190.

Adding to 1323322142 its reverse (2412233231), we get a palindrome (3735555373).

The spelling of 1323322142 in words is "one billion, three hundred twenty-three million, three hundred twenty-two thousand, one hundred forty-two".