1123243461156 has 24 divisors (see below), whose sum is σ = 2670352380864. Its totient is φ = 367350062560.

The previous prime is 1123243461143. The next prime is 1123243461161. The reversal of 1123243461156 is 6511643423211.

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, 883052400 + ... + 883053671.

It is an arithmetic number, because the mean of its divisors is an integer number (111264682536).

Almost surely, 2^{1123243461156} is an apocalyptic number.

It is an amenable number.

1123243461156 is an abundant number, since it is smaller than the sum of its proper divisors (1547108919708).

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

1123243461156 is a wasteful number, since it uses less digits than its factorization.

1123243461156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1766106131 (or 1766106129 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

Adding to 1123243461156 its reverse (6511643423211), we get a palindrome (7634886884367).

The spelling of 1123243461156 in words is "one trillion, one hundred twenty-three billion, two hundred forty-three million, four hundred sixty-one thousand, one hundred fifty-six".