111546203023 has 4 divisors (see below), whose sum is σ = 112397700888. Its totient is φ = 110694705160.

The previous prime is 111546203017. The next prime is 111546203107. The reversal of 111546203023 is 320302645111.

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 111546203023 - 2²⁵ = 111512648591 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111546202982 and 111546203000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111546203123) 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, 425748736 + ... + 425748997.

It is an arithmetic number, because the mean of its divisors is an integer number (28099425222).

Almost surely, 2^111546203023 is an apocalyptic number.

111546203023 is a deficient number, since it is larger than the sum of its proper divisors (851497865).

111546203023 is an equidigital number, since it uses as much as digits as its factorization.

111546203023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851497864.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 111546203023 its reverse (320302645111), we get a palindrome (431848848134).

The spelling of 111546203023 in words is "one hundred eleven billion, five hundred forty-six million, two hundred three thousand, twenty-three".