223809454158 has 16 divisors (see below), whose sum is σ = 448077076560. Its totient is φ = 74526790016.

The previous prime is 223809454151. The next prime is 223809454163. The reversal of 223809454158 is 851454908322.

It is a self number, because there is not a number n which added to its sum of digits gives 223809454158.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223809454151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19083993 + ... + 19095716.

It is an arithmetic number, because the mean of its divisors is an integer number (28004817285).

Almost surely, 2^223809454158 is an apocalyptic number.

223809454158 is an abundant number, since it is smaller than the sum of its proper divisors (224267622402).

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

223809454158 is a wasteful number, since it uses less digits than its factorization.

223809454158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38180691.

The product of its (nonzero) digits is 2764800, while the sum is 51.

The spelling of 223809454158 in words is "two hundred twenty-three billion, eight hundred nine million, four hundred fifty-four thousand, one hundred fifty-eight".