111423354 has 48 divisors (see below), whose sum is σ = 266262048. Its totient is φ = 30971808.

The previous prime is 111423343. The next prime is 111423401. The reversal of 111423354 is 453324111.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5757 + ... + 15999.

It is an arithmetic number, because the mean of its divisors is an integer number (5547126).

Almost surely, 2^111423354 is an apocalyptic number.

111423354 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 111423354, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133131024).

111423354 is an abundant number, since it is smaller than the sum of its proper divisors (154838694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111423354 is a wasteful number, since it uses less digits than its factorization.

111423354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10299 (or 10292 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 111423354 is about 10555.7261237681. The cubic root of 111423354 is about 481.1997677598.

Adding to 111423354 its reverse (453324111), we get a palindrome (564747465).

The spelling of 111423354 in words is "one hundred eleven million, four hundred twenty-three thousand, three hundred fifty-four".