111332423 has 4 divisors (see below), whose sum is σ = 112015608. Its totient is φ = 110649240.

The previous prime is 111332411. The next prime is 111332449. The reversal of 111332423 is 324233111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324233111 = 431 ⋅752281.

It is a cyclic number.

It is not a de Polignac number, because 111332423 - 2⁴ = 111332407 is a prime.

It is a super-2 number, since 2×111332423² = 24789816822101858, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111332395 and 111332404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111337423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341348 + ... + 341673.

It is an arithmetic number, because the mean of its divisors is an integer number (28003902).

Almost surely, 2^111332423 is an apocalyptic number.

111332423 is a deficient number, since it is larger than the sum of its proper divisors (683185).

111332423 is an equidigital number, since it uses as much as digits as its factorization.

111332423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683184.

The product of its digits is 432, while the sum is 20.

The square root of 111332423 is about 10551.4180563562. The cubic root of 111332423 is about 481.0688320604.

Adding to 111332423 its reverse (324233111), we get a palindrome (435565534).

The spelling of 111332423 in words is "one hundred eleven million, three hundred thirty-two thousand, four hundred twenty-three".