223811223705 has 12 divisors (see below), whose sum is σ = 387939454500. Its totient is φ = 119365985952.

The previous prime is 223811223677. The next prime is 223811223721. The reversal of 223811223705 is 507322118322.

It can be written as a sum of positive squares in 2 ways, for example, as 23336534169 + 200474689536 = 152763^2 + 447744^2 .

It is not a de Polignac number, because 223811223705 - 2¹⁰ = 223811222681 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 223811223705.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2486791330 + ... + 2486791419.

It is an arithmetic number, because the mean of its divisors is an integer number (32328287875).

Almost surely, 2^223811223705 is an apocalyptic number.

It is an amenable number.

223811223705 is a deficient number, since it is larger than the sum of its proper divisors (164128230795).

223811223705 is a wasteful number, since it uses less digits than its factorization.

223811223705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4973582760 (or 4973582757 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 223811223705 in words is "two hundred twenty-three billion, eight hundred eleven million, two hundred twenty-three thousand, seven hundred five".