1123316460 has 72 divisors (see below), whose sum is σ = 3894168096. Its totient is φ = 256757760.

The previous prime is 1123316459. The next prime is 1123316471. The reversal of 1123316460 is 646133211.

1123316460 is a `hidden beast` number, since 1 + 12 + 3 + 3 + 1 + 646 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 444501 + ... + 447020.

It is an arithmetic number, because the mean of its divisors is an integer number (54085668).

Almost surely, 2^1123316460 is an apocalyptic number.

1123316460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123316460 is an abundant number, since it is smaller than the sum of its proper divisors (2770851636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1123316460 is a wasteful number, since it uses less digits than its factorization.

1123316460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891543 (or 891538 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 1123316460 is about 33515.9135337231. The cubic root of 1123316460 is about 1039.5228518791.

Adding to 1123316460 its reverse (646133211), we get a palindrome (1769449671).

The spelling of 1123316460 in words is "one billion, one hundred twenty-three million, three hundred sixteen thousand, four hundred sixty".