111273823873 has 4 divisors (see below), whose sum is σ = 112074355120. Its totient is φ = 110473292628.

The previous prime is 111273823813. The next prime is 111273823897. The reversal of 111273823873 is 378328372111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111273823873 - 2²¹ = 111271726721 is a prime.

It is a super-3 number, since 3×111273823873³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111273823813) 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, 400265415 + ... + 400265692.

It is an arithmetic number, because the mean of its divisors is an integer number (28018588780).

Almost surely, 2^111273823873 is an apocalyptic number.

It is an amenable number.

111273823873 is a deficient number, since it is larger than the sum of its proper divisors (800531247).

111273823873 is an equidigital number, since it uses as much as digits as its factorization.

111273823873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800531246.

The product of its digits is 338688, while the sum is 46.

The spelling of 111273823873 in words is "one hundred eleven billion, two hundred seventy-three million, eight hundred twenty-three thousand, eight hundred seventy-three".