1323158863 has 4 divisors (see below), whose sum is σ = 1424940328. Its totient is φ = 1221377400.

The previous prime is 1323158831. The next prime is 1323158873. The reversal of 1323158863 is 3688513231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1323158863 - 2⁵ = 1323158831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323158873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50890713 + ... + 50890738.

It is an arithmetic number, because the mean of its divisors is an integer number (356235082).

Almost surely, 2^1323158863 is an apocalyptic number.

1323158863 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1323158863 is a deficient number, since it is larger than the sum of its proper divisors (101781465).

1323158863 is a wasteful number, since it uses less digits than its factorization.

1323158863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101781464.

The product of its digits is 103680, while the sum is 40.

The square root of 1323158863 is about 36375.2506932942. The cubic root of 1323158863 is about 1097.8356514057.

The spelling of 1323158863 in words is "one billion, three hundred twenty-three million, one hundred fifty-eight thousand, eight hundred sixty-three".