111120433423 has 4 divisors (see below), whose sum is σ = 111122800360. Its totient is φ = 111118066488.

The previous prime is 111120433421. The next prime is 111120433433. The reversal of 111120433423 is 324334021111.

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 111120433423 - 2¹ = 111120433421 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 (111120433421) 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, 1111593 + ... + 1207426.

It is an arithmetic number, because the mean of its divisors is an integer number (27780700090).

Almost surely, 2^111120433423 is an apocalyptic number.

111120433423 is a deficient number, since it is larger than the sum of its proper divisors (2366937).

111120433423 is an equidigital number, since it uses as much as digits as its factorization.

111120433423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2366936.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 111120433423 its reverse (324334021111), we get a palindrome (435454454534).

The spelling of 111120433423 in words is "one hundred eleven billion, one hundred twenty million, four hundred thirty-three thousand, four hundred twenty-three".