1128277323 has 16 divisors (see below), whose sum is σ = 1759497600. Its totient is φ = 712595880.

The previous prime is 1128277321. The next prime is 1128277331. The reversal of 1128277323 is 3237728211.

It is not a de Polignac number, because 1128277323 - 2¹ = 1128277321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1128277321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1099173 + ... + 1100198.

It is an arithmetic number, because the mean of its divisors is an integer number (109968600).

Almost surely, 2^1128277323 is an apocalyptic number.

1128277323 is a deficient number, since it is larger than the sum of its proper divisors (631220277).

1128277323 is a wasteful number, since it uses less digits than its factorization.

1128277323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2199399 (or 2199393 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 1128277323 is about 33589.8395798491. The cubic root of 1128277323 is about 1041.0508741093.

The spelling of 1128277323 in words is "one billion, one hundred twenty-eight million, two hundred seventy-seven thousand, three hundred twenty-three".