223640325012 has 48 divisors (see below), whose sum is σ = 595024944192. Its totient is φ = 64764618240.

The previous prime is 223640324951. The next prime is 223640325031. The reversal of 223640325012 is 210523046322.

It is a congruent number.

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, 42161814 + ... + 42167117.

It is an arithmetic number, because the mean of its divisors is an integer number (12396353004).

Almost surely, 2^223640325012 is an apocalyptic number.

It is an amenable number.

223640325012 is an abundant number, since it is smaller than the sum of its proper divisors (371384619180).

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

223640325012 is a wasteful number, since it uses less digits than its factorization.

223640325012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84328968 (or 84328966 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The spelling of 223640325012 in words is "two hundred twenty-three billion, six hundred forty million, three hundred twenty-five thousand, twelve".