111822423 has 4 divisors (see below), whose sum is σ = 149096568. Its totient is φ = 74548280.

The previous prime is 111822419. The next prime is 111822439. The reversal of 111822423 is 324228111.

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 111822423 - 2² = 111822419 is a prime.

It is a super-4 number, since 4×111822423⁴ (a number of 33 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111822393 and 111822402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111822443) 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, 18637068 + ... + 18637073.

It is an arithmetic number, because the mean of its divisors is an integer number (37274142).

Almost surely, 2^111822423 is an apocalyptic number.

111822423 is a deficient number, since it is larger than the sum of its proper divisors (37274145).

111822423 is an equidigital number, since it uses as much as digits as its factorization.

111822423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37274144.

The product of its digits is 768, while the sum is 24.

The square root of 111822423 is about 10574.6121914707. The cubic root of 111822423 is about 481.7735646064.

The spelling of 111822423 in words is "one hundred eleven million, eight hundred twenty-two thousand, four hundred twenty-three".