111422423400 has 192 divisors, whose sum is σ = 366260486400. Its totient is φ = 27924111360.

The previous prime is 111422423389. The next prime is 111422423443. The reversal of 111422423400 is 4324224111.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 47 ways as a sum of consecutive naturals, for example, 7326204 + ... + 7341396.

It is an arithmetic number, because the mean of its divisors is an integer number (1907606700).

Almost surely, 2^111422423400 is an apocalyptic number.

111422423400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111422423400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183130243200).

111422423400 is an abundant number, since it is smaller than the sum of its proper divisors (254838063000).

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

111422423400 is a wasteful number, since it uses less digits than its factorization.

111422423400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15948 (or 15939 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 111422423400 its reverse (4324224111), we get a palindrome (115746647511).

The spelling of 111422423400 in words is "one hundred eleven billion, four hundred twenty-two million, four hundred twenty-three thousand, four hundred".