1121134412423 has 4 divisors (see below), whose sum is σ = 1121153329368. Its totient is φ = 1121115495480.

The previous prime is 1121134412357. The next prime is 1121134412467. The reversal of 1121134412423 is 3242144311211.

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 1121134412423 - 2²² = 1121130218119 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 (1121134412473) 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, 9369293 + ... + 9488198.

It is an arithmetic number, because the mean of its divisors is an integer number (280288332342).

Almost surely, 2^{1121134412423} is an apocalyptic number.

1121134412423 is a deficient number, since it is larger than the sum of its proper divisors (18916945).

1121134412423 is an equidigital number, since it uses as much as digits as its factorization.

1121134412423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18916944.

The product of its digits is 4608, while the sum is 29.

Adding to 1121134412423 its reverse (3242144311211), we get a palindrome (4363278723634).

The spelling of 1121134412423 in words is "one trillion, one hundred twenty-one billion, one hundred thirty-four million, four hundred twelve thousand, four hundred twenty-three".