223545234105252 has 18 divisors (see below), whose sum is σ = 565072675099478. Its totient is φ = 74515078035072.

The previous prime is 223545234105241. The next prime is 223545234105269. The reversal of 223545234105252 is 252501432545322.

223545234105252 is a `hidden beast` number, since 2 + 2 + 3 + 5 + 4 + 52 + 341 + 0 + 5 + 252 = 666.

It can be written as a sum of positive squares in only one way, i.e., 213377770791936 + 10167463313316 = 14607456^2 + 3188646^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 223545234105198 and 223545234105207.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3104794918093 + ... + 3104794918164.

Almost surely, 2^{223545234105252} is an apocalyptic number.

It is an amenable number.

223545234105252 is an abundant number, since it is smaller than the sum of its proper divisors (341527440994226).

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

223545234105252 is a wasteful number, since it uses less digits than its factorization.

223545234105252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6209589836267 (or 6209589836262 counting only the distinct ones).

The product of its (nonzero) digits is 2880000, while the sum is 45.

The spelling of 223545234105252 in words is "two hundred twenty-three trillion, five hundred forty-five billion, two hundred thirty-four million, one hundred five thousand, two hundred fifty-two".