223231112100 has 432 divisors, whose sum is σ = 759219115200. Its totient is φ = 54669634560.

The previous prime is 223231112057. The next prime is 223231112101. The reversal of 223231112100 is 1211132322.

223231112100 is a `hidden beast` number, since 2 + 232 + 311 + 121 + 0 + 0 = 666.

It is a super-3 number, since 3×223231112100³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (223231112101) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 246119847 + ... + 246120753.

Almost surely, 2^223231112100 is an apocalyptic number.

223231112100 is a gapful number since it is divisible by the number (20) 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 223231112100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (379609557600).

223231112100 is an abundant number, since it is smaller than the sum of its proper divisors (535988003100).

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

223231112100 is a wasteful number, since it uses less digits than its factorization.

223231112100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372 (or 1362 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 223231112100 its reverse (1211132322), we get a palindrome (224442244422).

The spelling of 223231112100 in words is "two hundred twenty-three billion, two hundred thirty-one million, one hundred twelve thousand, one hundred".