423551353 has 2 divisors, whose sum is σ = 423551354. Its totient is φ = 423551352.

The previous prime is 423551339. The next prime is 423551389. The reversal of 423551353 is 353155324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 212372329 + 211179024 = 14573^2 + 14532^2 .

It is a cyclic number.

It is not a de Polignac number, because 423551353 - 2¹⁷ = 423420281 is a prime.

It is equal to p_22523467 and since 423551353 and 22523467 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (427551353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211775676 + 211775677.

It is an arithmetic number, because the mean of its divisors is an integer number (211775677).

Almost surely, 2^423551353 is an apocalyptic number.

It is an amenable number.

423551353 is a deficient number, since it is larger than the sum of its proper divisors (1).

423551353 is an equidigital number, since it uses as much as digits as its factorization.

423551353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27000, while the sum is 31.

The square root of 423551353 is about 20580.3632863951. The cubic root of 423551353 is about 750.9920814908.

The spelling of 423551353 in words is "four hundred twenty-three million, five hundred fifty-one thousand, three hundred fifty-three".