1123220230 has 32 divisors (see below), whose sum is σ = 2228355360. Its totient is φ = 404229120.

The previous prime is 1123220221. The next prime is 1123220239. The reversal of 1123220230 is 320223211.

It is an interprime number because it is at equal distance from previous prime (1123220221) and next prime (1123220239).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123220239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41965 + ... + 63304.

It is an arithmetic number, because the mean of its divisors is an integer number (69636105).

Almost surely, 2^1123220230 is an apocalyptic number.

1123220230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1123220230 is a deficient number, since it is larger than the sum of its proper divisors (1105135130).

1123220230 is a wasteful number, since it uses less digits than its factorization.

1123220230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105384.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1123220230 is about 33514.4779162678. The cubic root of 1123220230 is about 1039.4931671184.

Adding to 1123220230 its reverse (320223211), we get a palindrome (1443443441).

The spelling of 1123220230 in words is "one billion, one hundred twenty-three million, two hundred twenty thousand, two hundred thirty".