223893099612 has 648 divisors, whose sum is σ = 763482047328. Its totient is φ = 53861552640.

The previous prime is 223893099607. The next prime is 223893099623. The reversal of 223893099612 is 216990398322.

223893099612 is a `hidden beast` number, since 2 + 238 + 9 + 309 + 96 + 12 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 1136513098 + ... + 1136513294.

It is an arithmetic number, because the mean of its divisors is an integer number (1178213036).

Almost surely, 2^223893099612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223893099612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (381741023664).

223893099612 is an abundant number, since it is smaller than the sum of its proper divisors (539588947716).

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

223893099612 is a wasteful number, since it uses less digits than its factorization.

223893099612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327 (or 272 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 54.

The spelling of 223893099612 in words is "two hundred twenty-three billion, eight hundred ninety-three million, ninety-nine thousand, six hundred twelve".