1123911253823 has 4 divisors (see below), whose sum is σ = 1123917408120. Its totient is φ = 1123905099528.

The previous prime is 1123911253819. The next prime is 1123911253831. The reversal of 1123911253823 is 3283521193211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1123911253823 - 2² = 1123911253819 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123911253873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2794565 + ... + 3171342.

It is an arithmetic number, because the mean of its divisors is an integer number (280979352030).

Almost surely, 2^{1123911253823} is an apocalyptic number.

1123911253823 is a deficient number, since it is larger than the sum of its proper divisors (6154297).

1123911253823 is an equidigital number, since it uses as much as digits as its factorization.

1123911253823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6154296.

The product of its digits is 77760, while the sum is 41.

The spelling of 1123911253823 in words is "one trillion, one hundred twenty-three billion, nine hundred eleven million, two hundred fifty-three thousand, eight hundred twenty-three".