1323203493 has 16 divisors (see below), whose sum is σ = 1776582720. Its totient is φ = 875997696.

The previous prime is 1323203489. The next prime is 1323203527. The reversal of 1323203493 is 3943023231.

It is not a de Polignac number, because 1323203493 - 2² = 1323203489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1323203493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323203293) 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, 364021 + ... + 367637.

It is an arithmetic number, because the mean of its divisors is an integer number (111036420).

Almost surely, 2^1323203493 is an apocalyptic number.

It is an amenable number.

1323203493 is a deficient number, since it is larger than the sum of its proper divisors (453379227).

1323203493 is a wasteful number, since it uses less digits than its factorization.

1323203493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4436.

The product of its (nonzero) digits is 11664, while the sum is 30.

The square root of 1323203493 is about 36375.8641546837. The cubic root of 1323203493 is about 1097.8479945580.

The spelling of 1323203493 in words is "one billion, three hundred twenty-three million, two hundred three thousand, four hundred ninety-three".