111623430432 has 96 divisors (see below), whose sum is σ = 307385124480. Its totient is φ = 35418736640.

The previous prime is 111623430377. The next prime is 111623430481. The reversal of 111623430432 is 234034326111.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 111623430432.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84693 + ... + 480020.

It is an arithmetic number, because the mean of its divisors is an integer number (3201928380).

Almost surely, 2^111623430432 is an apocalyptic number.

111623430432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111623430432 is an abundant number, since it is smaller than the sum of its proper divisors (195761694048).

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

111623430432 is a wasteful number, since it uses less digits than its factorization.

111623430432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564826 (or 564818 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 111623430432 its reverse (234034326111), we get a palindrome (345657756543).

The spelling of 111623430432 in words is "one hundred eleven billion, six hundred twenty-three million, four hundred thirty thousand, four hundred thirty-two".