226423823 has 2 divisors, whose sum is σ = 226423824. Its totient is φ = 226423822.

The previous prime is 226423819. The next prime is 226423843. The reversal of 226423823 is 328324622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 226423823 - 2² = 226423819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 226423823.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226423843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113211911 + 113211912.

It is an arithmetic number, because the mean of its divisors is an integer number (113211912).

Almost surely, 2^226423823 is an apocalyptic number.

226423823 is a deficient number, since it is larger than the sum of its proper divisors (1).

226423823 is an equidigital number, since it uses as much as digits as its factorization.

226423823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 32.

The square root of 226423823 is about 15047.3859191555. The cubic root of 226423823 is about 609.5004626632.

The spelling of 226423823 in words is "two hundred twenty-six million, four hundred twenty-three thousand, eight hundred twenty-three".