1123211230 has 16 divisors (see below), whose sum is σ = 2023485264. Its totient is φ = 448905600.

The previous prime is 1123211191. The next prime is 1123211237. The reversal of 1123211230 is 321123211.

It is a super-2 number, since 2×1123211230² = 2523206934396225800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123211237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34752 + ... + 58771.

It is an arithmetic number, because the mean of its divisors is an integer number (126467829).

Almost surely, 2^1123211230 is an apocalyptic number.

1123211230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1123211230 is a deficient number, since it is larger than the sum of its proper divisors (900274034).

1123211230 is a wasteful number, since it uses less digits than its factorization.

1123211230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94731.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1123211230 is about 33514.3436456691. The cubic root of 1123211230 is about 1039.4903907370.

Adding to 1123211230 its reverse (321123211), we get a palindrome (1444334441).

The spelling of 1123211230 in words is "one billion, one hundred twenty-three million, two hundred eleven thousand, two hundred thirty".