423053369 has 2 divisors, whose sum is σ = 423053370. Its totient is φ = 423053368.

The previous prime is 423053357. The next prime is 423053387. The reversal of 423053369 is 963350324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 417670969 + 5382400 = 20437^2 + 2320^2 .

It is a cyclic number.

It is not a de Polignac number, because 423053369 - 2⁴ = 423053353 is a prime.

It is a super-2 number, since 2×423053369² = 357948306044500322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (423053339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211526684 + 211526685.

It is an arithmetic number, because the mean of its divisors is an integer number (211526685).

Almost surely, 2^423053369 is an apocalyptic number.

It is an amenable number.

423053369 is a deficient number, since it is larger than the sum of its proper divisors (1).

423053369 is an equidigital number, since it uses as much as digits as its factorization.

423053369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 35.

The square root of 423053369 is about 20568.2612050703. The cubic root of 423053369 is about 750.6976435974.

The spelling of 423053369 in words is "four hundred twenty-three million, fifty-three thousand, three hundred sixty-nine".