111243432 has 16 divisors (see below), whose sum is σ = 278108640. Its totient is φ = 37081136.

The previous prime is 111243413. The next prime is 111243467. The reversal of 111243432 is 234342111.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 111243399 and 111243408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2317548 + ... + 2317595.

It is an arithmetic number, because the mean of its divisors is an integer number (17381790).

Almost surely, 2^111243432 is an apocalyptic number.

111243432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111243432 is an abundant number, since it is smaller than the sum of its proper divisors (166865208).

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

111243432 is a wasteful number, since it uses less digits than its factorization.

111243432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4635152 (or 4635148 counting only the distinct ones).

The product of its digits is 576, while the sum is 21.

The square root of 111243432 is about 10547.2001972087. The cubic root of 111243432 is about 480.9406208081.

Adding to 111243432 its reverse (234342111), we get a palindrome (345585543).

It can be divided in two parts, 1112 and 43432, that added together give a palindrome (44544).

The spelling of 111243432 in words is "one hundred eleven million, two hundred forty-three thousand, four hundred thirty-two".