223801786193 has 2 divisors, whose sum is σ = 223801786194. Its totient is φ = 223801786192.

The previous prime is 223801786141. The next prime is 223801786211. The reversal of 223801786193 is 391687108322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 206781191824 + 17020594369 = 454732^2 + 130463^2 .

It is a cyclic number.

It is not a de Polignac number, because 223801786193 - 2⁸ = 223801785937 is a prime.

It is not a weakly prime, because it can be changed into another prime (223801786123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111900893096 + 111900893097.

It is an arithmetic number, because the mean of its divisors is an integer number (111900893097).

Almost surely, 2^223801786193 is an apocalyptic number.

It is an amenable number.

223801786193 is a deficient number, since it is larger than the sum of its proper divisors (1).

223801786193 is an equidigital number, since it uses as much as digits as its factorization.

223801786193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 50.

The spelling of 223801786193 in words is "two hundred twenty-three billion, eight hundred one million, seven hundred eighty-six thousand, one hundred ninety-three".