423354223 has 2 divisors, whose sum is σ = 423354224. Its totient is φ = 423354222.

The previous prime is 423354203. The next prime is 423354241. The reversal of 423354223 is 322453324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 423354223 - 2²¹ = 421257071 is a prime.

It is equal to p_22513456 and since 423354223 and 22513456 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 423354191 and 423354200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423354203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211677111 + 211677112.

It is an arithmetic number, because the mean of its divisors is an integer number (211677112).

Almost surely, 2^423354223 is an apocalyptic number.

423354223 is a deficient number, since it is larger than the sum of its proper divisors (1).

423354223 is an equidigital number, since it uses as much as digits as its factorization.

423354223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 28.

The square root of 423354223 is about 20575.5734549490. The cubic root of 423354223 is about 750.8755540683.

The spelling of 423354223 in words is "four hundred twenty-three million, three hundred fifty-four thousand, two hundred twenty-three".