223313781602 has 18 divisors (see below), whose sum is σ = 336225407553. Its totient is φ = 111240204504.

The previous prime is 223313781599. The next prime is 223313781629. The reversal of 223313781602 is 206187313322.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 206489356921 + 16824424681 = 454411^2 + 129709^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=334151.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 259969049 + ... + 259969907.

Almost surely, 2^223313781602 is an apocalyptic number.

223313781602 is a deficient number, since it is larger than the sum of its proper divisors (112911625951).

223313781602 is an frugal number, since it uses more digits than its factorization.

223313781602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2498 (or 1250 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 38.

The spelling of 223313781602 in words is "two hundred twenty-three billion, three hundred thirteen million, seven hundred eighty-one thousand, six hundred two".