1123223440332 has 48 divisors (see below), whose sum is σ = 2995314318080. Its totient is φ = 320915431872.

The previous prime is 1123223440279. The next prime is 1123223440333. The reversal of 1123223440332 is 2330443223211.

It is a happy number.

It is a super-2 number, since 2×1123223440332² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1123223440332.

It is not an unprimeable number, because it can be changed into a prime (1123223440333) 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, 9516423 + ... + 9633729.

Almost surely, 2^{1123223440332} is an apocalyptic number.

1123223440332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1123223440332 is an abundant number, since it is smaller than the sum of its proper divisors (1872090877748).

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

1123223440332 is a wasteful number, since it uses less digits than its factorization.

1123223440332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231310 (or 231308 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 1123223440332 its reverse (2330443223211), we get a palindrome (3453666663543).

The spelling of 1123223440332 in words is "one trillion, one hundred twenty-three billion, two hundred twenty-three million, four hundred forty thousand, three hundred thirty-two".