223446987630 has 96 divisors (see below), whose sum is σ = 612296979840. Its totient is φ = 56379810240.

The previous prime is 223446987613. The next prime is 223446987691. The reversal of 223446987630 is 36789644322.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1306249 + ... + 1467371.

It is an arithmetic number, because the mean of its divisors is an integer number (6378093540).

Almost surely, 2^223446987630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223446987630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (306148489920).

223446987630 is an abundant number, since it is smaller than the sum of its proper divisors (388849992210).

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

223446987630 is a wasteful number, since it uses less digits than its factorization.

223446987630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161966 (or 161963 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 54.

The spelling of 223446987630 in words is "two hundred twenty-three billion, four hundred forty-six million, nine hundred eighty-seven thousand, six hundred thirty".