226521045823 has 2 divisors, whose sum is σ = 226521045824. Its totient is φ = 226521045822.

The previous prime is 226521045797. The next prime is 226521045889. The reversal of 226521045823 is 328540125622.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 226521045823 - 2⁵ = 226521045791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226521045893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113260522911 + 113260522912.

It is an arithmetic number, because the mean of its divisors is an integer number (113260522912).

Almost surely, 2^226521045823 is an apocalyptic number.

226521045823 is a deficient number, since it is larger than the sum of its proper divisors (1).

226521045823 is an equidigital number, since it uses as much as digits as its factorization.

226521045823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 230400, while the sum is 40.

The spelling of 226521045823 in words is "two hundred twenty-six billion, five hundred twenty-one million, forty-five thousand, eight hundred twenty-three".