111423211 has 16 divisors (see below), whose sum is σ = 116916480. Its totient is φ = 106112160.

The previous prime is 111423203. The next prime is 111423233. The reversal of 111423211 is 112324111.

It is a cyclic number.

It is not a de Polignac number, because 111423211 - 2³ = 111423203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111423241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280465 + ... + 280861.

It is an arithmetic number, because the mean of its divisors is an integer number (7307280).

Almost surely, 2^111423211 is an apocalyptic number.

111423211 is a deficient number, since it is larger than the sum of its proper divisors (5493269).

111423211 is an equidigital number, since it uses as much as digits as its factorization.

111423211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594.

The product of its digits is 48, while the sum is 16.

The square root of 111423211 is about 10555.7193501912. The cubic root of 111423211 is about 481.1995619035.

Adding to 111423211 its reverse (112324111), we get a palindrome (223747322).

The spelling of 111423211 in words is "one hundred eleven million, four hundred twenty-three thousand, two hundred eleven".