1123243270472 has 32 divisors (see below), whose sum is σ = 2181172406400. Its totient is φ = 541641167424.

The previous prime is 1123243270453. The next prime is 1123243270481. The reversal of 1123243270472 is 2740723423211.

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, 2536688 + ... + 2946399.

It is an arithmetic number, because the mean of its divisors is an integer number (68161637700).

Almost surely, 2^{1123243270472} is an apocalyptic number.

It is an amenable number.

1123243270472 is a deficient number, since it is larger than the sum of its proper divisors (1057929135928).

1123243270472 is a wasteful number, since it uses less digits than its factorization.

1123243270472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5484005 (or 5484001 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 38.

Adding to 1123243270472 its reverse (2740723423211), we get a palindrome (3863966693683).

The spelling of 1123243270472 in words is "one trillion, one hundred twenty-three billion, two hundred forty-three million, two hundred seventy thousand, four hundred seventy-two".