223420505099 has 4 divisors (see below), whose sum is σ = 243731460120. Its totient is φ = 203109550080.

The previous prime is 223420505071. The next prime is 223420505141. The reversal of 223420505099 is 990505024322.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 223420505099 - 2⁸ = 223420504843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223420507099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10155477494 + ... + 10155477515.

It is an arithmetic number, because the mean of its divisors is an integer number (60932865030).

Almost surely, 2^223420505099 is an apocalyptic number.

223420505099 is a deficient number, since it is larger than the sum of its proper divisors (20310955021).

223420505099 is a wasteful number, since it uses less digits than its factorization.

223420505099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20310955020.

The product of its (nonzero) digits is 194400, while the sum is 41.

The spelling of 223420505099 in words is "two hundred twenty-three billion, four hundred twenty million, five hundred five thousand, ninety-nine".