1323843159 has 16 divisors (see below), whose sum is σ = 1870564320. Its totient is φ = 829931520.

The previous prime is 1323843139. The next prime is 1323843161. The reversal of 1323843159 is 9513483231.

It is a happy number.

It is not a de Polignac number, because 1323843159 - 2¹² = 1323839063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323843119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52119 + ... + 73239.

It is an arithmetic number, because the mean of its divisors is an integer number (116910270).

Almost surely, 2^1323843159 is an apocalyptic number.

1323843159 is a deficient number, since it is larger than the sum of its proper divisors (546721161).

1323843159 is a wasteful number, since it uses less digits than its factorization.

1323843159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22370.

The product of its digits is 77760, while the sum is 39.

The square root of 1323843159 is about 36384.6555432369. The cubic root of 1323843159 is about 1098.0248741051.

The spelling of 1323843159 in words is "one billion, three hundred twenty-three million, eight hundred forty-three thousand, one hundred fifty-nine".