1323992079442 has 8 divisors (see below), whose sum is σ = 2102810949756. Its totient is φ = 623055096192.

The previous prime is 1323992079433. The next prime is 1323992079461. The reversal of 1323992079442 is 2449702993231.

It can be written as a sum of positive squares in 2 ways, for example, as 1313776732401 + 10215347041 = 1146201^2 + 101071^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19470471723 + ... + 19470471790.

Almost surely, 2^{1323992079442} is an apocalyptic number.

1323992079442 is a deficient number, since it is larger than the sum of its proper divisors (778818870314).

1323992079442 is a wasteful number, since it uses less digits than its factorization.

1323992079442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38940943532.

The product of its (nonzero) digits is 5878656, while the sum is 55.

The spelling of 1323992079442 in words is "one trillion, three hundred twenty-three billion, nine hundred ninety-two million, seventy-nine thousand, four hundred forty-two".