223203425616 has 60 divisors (see below), whose sum is σ = 625144714740. Its totient is φ = 74343360000.

The previous prime is 223203425609. The next prime is 223203425639. The reversal of 223203425616 is 616524302322.

223203425616 is a `hidden beast` number, since 2 + 2 + 3 + 2 + 0 + 34 + 2 + 5 + 616 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 89159571216 + 134043854400 = 298596^2 + 366120^2 .

It is a super-3 number, since 3×223203425616³ (a number of 35 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 415635 + ... + 786866.

It is an arithmetic number, because the mean of its divisors is an integer number (10419078579).

Almost surely, 2^223203425616 is an apocalyptic number.

It is an amenable number.

223203425616 is an abundant number, since it is smaller than the sum of its proper divisors (401941289124).

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

223203425616 is a wasteful number, since it uses less digits than its factorization.

223203425616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203804 (or 1203795 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

Adding to 223203425616 its reverse (616524302322), we get a palindrome (839727727938).

The spelling of 223203425616 in words is "two hundred twenty-three billion, two hundred three million, four hundred twenty-five thousand, six hundred sixteen".