1123356677792 has 72 divisors (see below), whose sum is σ = 2350221150816. Its totient is φ = 528443706368.

The previous prime is 1123356677791. The next prime is 1123356677813. The reversal of 1123356677792 is 2977766533211.

It is not an unprimeable number, because it can be changed into a prime (1123356677791) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26826023 + ... + 26867865.

It is an arithmetic number, because the mean of its divisors is an integer number (32641960428).

Almost surely, 2^{1123356677792} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1123356677792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1175110575408).

1123356677792 is an abundant number, since it is smaller than the sum of its proper divisors (1226864473024).

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

1123356677792 is a wasteful number, since it uses less digits than its factorization.

1123356677792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44790 (or 44765 counting only the distinct ones).

The product of its digits is 20003760, while the sum is 59.

The spelling of 1123356677792 in words is "one trillion, one hundred twenty-three billion, three hundred fifty-six million, six hundred seventy-seven thousand, seven hundred ninety-two".