111023426 has 8 divisors (see below), whose sum is σ = 172277820. Its totient is φ = 53597488.

The previous prime is 111023411. The next prime is 111023453. The reversal of 111023426 is 624320111.

It can be written as a sum of positive squares in 2 ways, for example, as 103042801 + 7980625 = 10151^2 + 2825^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×111023426² = 24652402241554952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111023398 and 111023407.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 957041 + ... + 957156.

Almost surely, 2^111023426 is an apocalyptic number.

111023426 is a deficient number, since it is larger than the sum of its proper divisors (61254394).

111023426 is a wasteful number, since it uses less digits than its factorization.

111023426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1914228.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 111023426 is about 10536.7654429621. The cubic root of 111023426 is about 480.6233596737.

Adding to 111023426 its reverse (624320111), we get a palindrome (735343537).

The spelling of 111023426 in words is "one hundred eleven million, twenty-three thousand, four hundred twenty-six".