1123163340 has 96 divisors (see below), whose sum is σ = 3565067520. Its totient is φ = 261916416.

The previous prime is 1123163323. The next prime is 1123163369. The reversal of 1123163340 is 433613211.

It is a happy number.

It is a super-2 number, since 2×1123163340² = 2522991776639911200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1123163340.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23074 + ... + 52713.

It is an arithmetic number, because the mean of its divisors is an integer number (37136120).

Almost surely, 2^1123163340 is an apocalyptic number.

1123163340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123163340 is an abundant number, since it is smaller than the sum of its proper divisors (2441904180).

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

1123163340 is a wasteful number, since it uses less digits than its factorization.

1123163340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75831 (or 75829 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 1123163340 is about 33513.6291678475. The cubic root of 1123163340 is about 1039.4756170533.

Adding to 1123163340 its reverse (433613211), we get a palindrome (1556776551).

The spelling of 1123163340 in words is "one billion, one hundred twenty-three million, one hundred sixty-three thousand, three hundred forty".