223512215303740 has 192 divisors, whose sum is σ = 549556772083200. Its totient is φ = 76134246059520.

The previous prime is 223512215303737. The next prime is 223512215303749. The reversal of 223512215303740 is 47303512215322.

223512215303740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 223512215303693 and 223512215303702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223512215303749) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 42531747 + ... + 47497093.

It is an arithmetic number, because the mean of its divisors is an integer number (2862274854600).

Almost surely, 2^{223512215303740} is an apocalyptic number.

223512215303740 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 223512215303740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274778386041600).

223512215303740 is an abundant number, since it is smaller than the sum of its proper divisors (326044556779460).

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

223512215303740 is a wasteful number, since it uses less digits than its factorization.

223512215303740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4965497 (or 4965473 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 40.

The spelling of 223512215303740 in words is "two hundred twenty-three trillion, five hundred twelve billion, two hundred fifteen million, three hundred three thousand, seven hundred forty".