112203123000 has 128 divisors (see below), whose sum is σ = 351852621120. Its totient is φ = 29768793600.

The previous prime is 112203122971. The next prime is 112203123001. The reversal of 112203123000 is 321302211.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112203123001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 496074 + ... + 685926.

Almost surely, 2^112203123000 is an apocalyptic number.

112203123000 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 112203123000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175926310560).

112203123000 is an abundant number, since it is smaller than the sum of its proper divisors (239649498120).

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

112203123000 is a wasteful number, since it uses less digits than its factorization.

112203123000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190074 (or 190060 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 112203123000 its reverse (321302211), we get a palindrome (112524425211).

The spelling of 112203123000 in words is "one hundred twelve billion, two hundred three million, one hundred twenty-three thousand".