111423003140 has 48 divisors (see below), whose sum is σ = 234518491200. Its totient is φ = 44468341632.

The previous prime is 111423003127. The next prime is 111423003163. The reversal of 111423003140 is 41300324111.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18362387 + ... + 18368453.

It is an arithmetic number, because the mean of its divisors is an integer number (4885801900).

Almost surely, 2^111423003140 is an apocalyptic number.

111423003140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111423003140 is an abundant number, since it is smaller than the sum of its proper divisors (123095488060).

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

111423003140 is a wasteful number, since it uses less digits than its factorization.

111423003140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8004 (or 8002 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 111423003140 its reverse (41300324111), we get a palindrome (152723327251).

The spelling of 111423003140 in words is "one hundred eleven billion, four hundred twenty-three million, three thousand, one hundred forty".