111552423 has 4 divisors (see below), whose sum is σ = 148736568. Its totient is φ = 74368280.

The previous prime is 111552409. The next prime is 111552433. The reversal of 111552423 is 324255111.

It is a happy number.

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 111552423 - 2⁴ = 111552407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111552393 and 111552402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111552433) 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, 18592068 + ... + 18592073.

It is an arithmetic number, because the mean of its divisors is an integer number (37184142).

Almost surely, 2^111552423 is an apocalyptic number.

111552423 is a deficient number, since it is larger than the sum of its proper divisors (37184145).

111552423 is an equidigital number, since it uses as much as digits as its factorization.

111552423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37184144.

The product of its digits is 1200, while the sum is 24.

The square root of 111552423 is about 10561.8380502638. The cubic root of 111552423 is about 481.3854978447.

The spelling of 111552423 in words is "one hundred eleven million, five hundred fifty-two thousand, four hundred twenty-three".