1111043410423 has 4 divisors (see below), whose sum is σ = 1127626147960. Its totient is φ = 1094460672888.

The previous prime is 1111043410363. The next prime is 1111043410493. The reversal of 1111043410423 is 3240143401111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1111043410423 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 (1111043410493) 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, 8291368668 + ... + 8291368801.

It is an arithmetic number, because the mean of its divisors is an integer number (281906536990).

Almost surely, 2^{1111043410423} is an apocalyptic number.

1111043410423 is a deficient number, since it is larger than the sum of its proper divisors (16582737537).

1111043410423 is an equidigital number, since it uses as much as digits as its factorization.

1111043410423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16582737536.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 1111043410423 its reverse (3240143401111), we get a palindrome (4351186811534).

The spelling of 1111043410423 in words is "one trillion, one hundred eleven billion, forty-three million, four hundred ten thousand, four hundred twenty-three".