1123357217103 has 36 divisors (see below), whose sum is σ = 1792602675864. Its totient is φ = 677366474400.

The previous prime is 1123357217089. The next prime is 1123357217113. The reversal of 1123357217103 is 3017127533211.

1123357217103 is a `hidden beast` number, since 1 + 1 + 2 + 335 + 7 + 217 + 103 = 666.

It is not a de Polignac number, because 1123357217103 - 2⁶ = 1123357217039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123357217113) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2403613 + ... + 2832678.

It is an arithmetic number, because the mean of its divisors is an integer number (49794518774).

Almost surely, 2^{1123357217103} is an apocalyptic number.

1123357217103 is a deficient number, since it is larger than the sum of its proper divisors (669245458761).

1123357217103 is a wasteful number, since it uses less digits than its factorization.

1123357217103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5236516 (or 5236502 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The spelling of 1123357217103 in words is "one trillion, one hundred twenty-three billion, three hundred fifty-seven million, two hundred seventeen thousand, one hundred three".