223934578890 has 64 divisors (see below), whose sum is σ = 590581134720. Its totient is φ = 53890903040.

The previous prime is 223934578871. The next prime is 223934578891. The reversal of 223934578890 is 98875439322.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (223934578891) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2431395 + ... + 2521814.

It is an arithmetic number, because the mean of its divisors is an integer number (9227830230).

Almost surely, 2^223934578890 is an apocalyptic number.

223934578890 is an abundant number, since it is smaller than the sum of its proper divisors (366646555830).

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

223934578890 is a wasteful number, since it uses less digits than its factorization.

223934578890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4953367.

The product of its (nonzero) digits is 26127360, while the sum is 60.

The spelling of 223934578890 in words is "two hundred twenty-three billion, nine hundred thirty-four million, five hundred seventy-eight thousand, eight hundred ninety".