1323885478 has 8 divisors (see below), whose sum is σ = 1986780600. Its totient is φ = 661625280.

The previous prime is 1323885461. The next prime is 1323885499. The reversal of 1323885478 is 8745883231.

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

It is a congruent number.

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, 153483 + ... + 161878.

It is an arithmetic number, because the mean of its divisors is an integer number (248347575).

Almost surely, 2^1323885478 is an apocalyptic number.

1323885478 is a deficient number, since it is larger than the sum of its proper divisors (662895122).

1323885478 is a wasteful number, since it uses less digits than its factorization.

1323885478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317462.

The product of its digits is 1290240, while the sum is 49.

The square root of 1323885478 is about 36385.2370886875. The cubic root of 1323885478 is about 1098.0365740862.

The spelling of 1323885478 in words is "one billion, three hundred twenty-three million, eight hundred eighty-five thousand, four hundred seventy-eight".