1323878379 has 8 divisors (see below), whose sum is σ = 1765964352. Its totient is φ = 882189000.

The previous prime is 1323878351. The next prime is 1323878399. The reversal of 1323878379 is 9738783231.

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

It is not a de Polignac number, because 1323878379 - 2¹³ = 1323870187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1323878329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91269 + ... + 104774.

It is an arithmetic number, because the mean of its divisors is an integer number (220745544).

Almost surely, 2^1323878379 is an apocalyptic number.

1323878379 is a deficient number, since it is larger than the sum of its proper divisors (442085973).

1323878379 is a wasteful number, since it uses less digits than its factorization.

1323878379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198297.

The product of its digits is 1524096, while the sum is 51.

The square root of 1323878379 is about 36385.1395352553. The cubic root of 1323878379 is about 1098.0346114351.

The spelling of 1323878379 in words is "one billion, three hundred twenty-three million, eight hundred seventy-eight thousand, three hundred seventy-nine".