1123110312 has 64 divisors (see below), whose sum is σ = 2861913600. Its totient is φ = 367181760.

The previous prime is 1123110301. The next prime is 1123110323. The reversal of 1123110312 is 2130113211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1123110301) and next prime (1123110323).

It is a super-2 number, since 2×1123110312² = 2522753545841474688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1123110291 and 1123110300.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1028887 + ... + 1029977.

It is an arithmetic number, because the mean of its divisors is an integer number (44717400).

Almost surely, 2^1123110312 is an apocalyptic number.

1123110312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1123110312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1430956800).

1123110312 is an abundant number, since it is smaller than the sum of its proper divisors (1738803288).

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

1123110312 is a wasteful number, since it uses less digits than its factorization.

1123110312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1886 (or 1882 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1123110312 is about 33512.8380176911. The cubic root of 1123110312 is about 1039.4592578475.

Adding to 1123110312 its reverse (2130113211), we get a palindrome (3253223523).

The spelling of 1123110312 in words is "one billion, one hundred twenty-three million, one hundred ten thousand, three hundred twelve".