111232223 has 4 divisors (see below), whose sum is σ = 111340320. Its totient is φ = 111124128.

The previous prime is 111232183. The next prime is 111232229. The reversal of 111232223 is 322232111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322232111 = 2671 ⋅120641.

It is a cyclic number.

It is not a de Polignac number, because 111232223 - 2²² = 107037919 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 (111232229) 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, 52490 + ... + 54567.

It is an arithmetic number, because the mean of its divisors is an integer number (27835080).

Almost surely, 2^111232223 is an apocalyptic number.

111232223 is a deficient number, since it is larger than the sum of its proper divisors (108097).

111232223 is a wasteful number, since it uses less digits than its factorization.

111232223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108096.

The product of its digits is 144, while the sum is 17.

The square root of 111232223 is about 10546.6688105771. The cubic root of 111232223 is about 480.9244669121.

Adding to 111232223 its reverse (322232111), we get a palindrome (433464334).

The spelling of 111232223 in words is "one hundred eleven million, two hundred thirty-two thousand, two hundred twenty-three".