1149823355 has 4 divisors (see below), whose sum is σ = 1379788032. Its totient is φ = 919858680.

The previous prime is 1149823303. The next prime is 1149823379. The reversal of 1149823355 is 5533289411.

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

It is not a de Polignac number, because 1149823355 - 2²⁴ = 1133046139 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114982331 + ... + 114982340.

It is an arithmetic number, because the mean of its divisors is an integer number (344947008).

Almost surely, 2^1149823355 is an apocalyptic number.

1149823355 is a deficient number, since it is larger than the sum of its proper divisors (229964677).

1149823355 is an equidigital number, since it uses as much as digits as its factorization.

1149823355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229964676.

The product of its digits is 129600, while the sum is 41.

The square root of 1149823355 is about 33909.0453271690. The cubic root of 1149823355 is about 1047.6359072013.

The spelling of 1149823355 in words is "one billion, one hundred forty-nine million, eight hundred twenty-three thousand, three hundred fifty-five".