111423113040 has 40 divisors (see below), whose sum is σ = 345411651168. Its totient is φ = 29712830080.

The previous prime is 111423113029. The next prime is 111423113063. The reversal of 111423113040 is 40311324111.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×111423113040² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111423112998 and 111423113016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232131246 + ... + 232131725.

Almost surely, 2^111423113040 is an apocalyptic number.

111423113040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111423113040 is an abundant number, since it is smaller than the sum of its proper divisors (233988538128).

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

111423113040 is a wasteful number, since it uses less digits than its factorization.

111423113040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464262987 (or 464262981 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 111423113040 its reverse (40311324111), we get a palindrome (151734437151).

The spelling of 111423113040 in words is "one hundred eleven billion, four hundred twenty-three million, one hundred thirteen thousand, forty".