1123011442356 has 24 divisors (see below), whose sum is σ = 2631232902144. Its totient is φ = 372783880320.

The previous prime is 1123011442313. The next prime is 1123011442363. The reversal of 1123011442356 is 6532441103211.

It is a super-2 number, since 2×1123011442356² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194155380 + ... + 194161163.

It is an arithmetic number, because the mean of its divisors is an integer number (109634704256).

Almost surely, 2^{1123011442356} is an apocalyptic number.

It is an amenable number.

1123011442356 is an abundant number, since it is smaller than the sum of its proper divisors (1508221459788).

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

1123011442356 is a wasteful number, since it uses less digits than its factorization.

1123011442356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388316791 (or 388316789 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

Adding to 1123011442356 its reverse (6532441103211), we get a palindrome (7655452545567).

The spelling of 1123011442356 in words is "one trillion, one hundred twenty-three billion, eleven million, four hundred forty-two thousand, three hundred fifty-six".