1155803323 has 8 divisors (see below), whose sum is σ = 1196157600. Its totient is φ = 1115482368.

The previous prime is 1155803317. The next prime is 1155803329. The reversal of 1155803323 is 3233085511.

It is an interprime number because it is at equal distance from previous prime (1155803317) and next prime (1155803329).

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

It is a cyclic number.

It is not a de Polignac number, because 1155803323 - 2⁹ = 1155802811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1155803329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77323 + ... + 91051.

It is an arithmetic number, because the mean of its divisors is an integer number (149519700).

Almost surely, 2^1155803323 is an apocalyptic number.

1155803323 is a deficient number, since it is larger than the sum of its proper divisors (40354277).

1155803323 is a wasteful number, since it uses less digits than its factorization.

1155803323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16661.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 1155803323 is about 33997.1075681447. The cubic root of 1155803323 is about 1049.4489392633.

Adding to 1155803323 its reverse (3233085511), we get a palindrome (4388888834).

The spelling of 1155803323 in words is "one billion, one hundred fifty-five million, eight hundred three thousand, three hundred twenty-three".