223772526813 has 16 divisors (see below), whose sum is σ = 325553530176. Its totient is φ = 135592122240.

The previous prime is 223772526781. The next prime is 223772526827. The reversal of 223772526813 is 318625277322.

223772526813 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 223772526813 - 2⁵ = 223772526781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223772526893) 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 15 ways as a sum of consecutive naturals, for example, 524520 + ... + 850097.

It is an arithmetic number, because the mean of its divisors is an integer number (20347095636).

Almost surely, 2^223772526813 is an apocalyptic number.

It is an amenable number.

223772526813 is a deficient number, since it is larger than the sum of its proper divisors (101781003363).

223772526813 is a wasteful number, since it uses less digits than its factorization.

223772526813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379564.

The product of its digits is 1693440, while the sum is 48.

The spelling of 223772526813 in words is "two hundred twenty-three billion, seven hundred seventy-two million, five hundred twenty-six thousand, eight hundred thirteen".