1323153803 has 4 divisors (see below), whose sum is σ = 1323285600. Its totient is φ = 1323022008.

The previous prime is 1323153791. The next prime is 1323153827. The reversal of 1323153803 is 3083513231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3083513231 = 239 ⋅12901729.

It is a cyclic number.

It is not a de Polignac number, because 1323153803 - 2¹⁶ = 1323088267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1323153893) 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 3 ways as a sum of consecutive naturals, for example, 49475 + ... + 71372.

It is an arithmetic number, because the mean of its divisors is an integer number (330821400).

Almost surely, 2^1323153803 is an apocalyptic number.

1323153803 is a deficient number, since it is larger than the sum of its proper divisors (131797).

1323153803 is a wasteful number, since it uses less digits than its factorization.

1323153803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131796.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 1323153803 is about 36375.1811404424. The cubic root of 1323153803 is about 1097.8342519629.

The spelling of 1323153803 in words is "one billion, three hundred twenty-three million, one hundred fifty-three thousand, eight hundred three".