223578623853 has 72 divisors (see below), whose sum is σ = 359770574592. Its totient is φ = 133675311744.

The previous prime is 223578623819. The next prime is 223578623857. The reversal of 223578623853 is 358326875322.

It is a happy number.

223578623853 is a `hidden beast` number, since 2 + 2 + 3 + 5 + 7 + 8 + 623 + 8 + 5 + 3 = 666.

223578623853 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 223578623853 - 2²⁸ = 223310188397 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 223578623853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223578623857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 8289676 + ... + 8316602.

It is an arithmetic number, because the mean of its divisors is an integer number (4996813536).

Almost surely, 2^223578623853 is an apocalyptic number.

It is an amenable number.

223578623853 is a deficient number, since it is larger than the sum of its proper divisors (136191950739).

223578623853 is a wasteful number, since it uses less digits than its factorization.

223578623853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27115 (or 27099 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 54.

The spelling of 223578623853 in words is "two hundred twenty-three billion, five hundred seventy-eight million, six hundred twenty-three thousand, eight hundred fifty-three".