1128264323 has 4 divisors (see below), whose sum is σ = 1129456680. Its totient is φ = 1127071968.

The previous prime is 1128264311. The next prime is 1128264331. The reversal of 1128264323 is 3234628211.

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

It is a cyclic number.

It is not a de Polignac number, because 1128264323 - 2¹⁶ = 1128198787 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1128264323.

It is not an unprimeable number, because it can be changed into a prime (1128264353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 594758 + ... + 596651.

It is an arithmetic number, because the mean of its divisors is an integer number (282364170).

Almost surely, 2^1128264323 is an apocalyptic number.

1128264323 is a deficient number, since it is larger than the sum of its proper divisors (1192357).

1128264323 is an equidigital number, since it uses as much as digits as its factorization.

1128264323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192356.

The product of its digits is 13824, while the sum is 32.

The square root of 1128264323 is about 33589.6460683943. The cubic root of 1128264323 is about 1041.0468757681.

The spelling of 1128264323 in words is "one billion, one hundred twenty-eight million, two hundred sixty-four thousand, three hundred twenty-three".