223604632645 has 16 divisors (see below), whose sum is σ = 284121034560. Its totient is φ = 168354249984.

The previous prime is 223604632639. The next prime is 223604632697. The reversal of 223604632645 is 546236406322.

It is a cyclic number.

It is not a de Polignac number, because 223604632645 - 2³ = 223604632637 is a prime.

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, 3159214 + ... + 3229216.

It is an arithmetic number, because the mean of its divisors is an integer number (17757564660).

Almost surely, 2^223604632645 is an apocalyptic number.

It is an amenable number.

223604632645 is a deficient number, since it is larger than the sum of its proper divisors (60516401915).

223604632645 is a wasteful number, since it uses less digits than its factorization.

223604632645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107604.

The product of its (nonzero) digits is 1244160, while the sum is 43.

The spelling of 223604632645 in words is "two hundred twenty-three billion, six hundred four million, six hundred thirty-two thousand, six hundred forty-five".