1123161230 has 8 divisors (see below), whose sum is σ = 2021690232. Its totient is φ = 449264488.

The previous prime is 1123161191. The next prime is 1123161239. The reversal of 1123161230 is 321613211.

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

It is a super-2 number, since 2×1123161230² = 2522982297150225800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123161239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56158052 + ... + 56158071.

It is an arithmetic number, because the mean of its divisors is an integer number (252711279).

Almost surely, 2^1123161230 is an apocalyptic number.

1123161230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1123161230 is a deficient number, since it is larger than the sum of its proper divisors (898529002).

1123161230 is a wasteful number, since it uses less digits than its factorization.

1123161230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112316130.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 1123161230 is about 33513.5976881027. The cubic root of 1123161230 is about 1039.4749661254.

Adding to 1123161230 its reverse (321613211), we get a palindrome (1444774441).

The spelling of 1123161230 in words is "one billion, one hundred twenty-three million, one hundred sixty-one thousand, two hundred thirty".