227723741128 has 64 divisors (see below), whose sum is σ = 487193616000. Its totient is φ = 98856072192.

The previous prime is 227723741099. The next prime is 227723741143. The reversal of 227723741128 is 821147327722.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2715003 + ... + 2797621.

It is an arithmetic number, because the mean of its divisors is an integer number (7612400250).

Almost surely, 2^227723741128 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 227723741128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243596808000).

227723741128 is an abundant number, since it is smaller than the sum of its proper divisors (259469874872).

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

227723741128 is a wasteful number, since it uses less digits than its factorization.

227723741128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84214 (or 84210 counting only the distinct ones).

The product of its digits is 526848, while the sum is 46.

The spelling of 227723741128 in words is "two hundred twenty-seven billion, seven hundred twenty-three million, seven hundred forty-one thousand, one hundred twenty-eight".