423320330029 has 2 divisors, whose sum is σ = 423320330030. Its totient is φ = 423320330028.

The previous prime is 423320330009. The next prime is 423320330033. The reversal of 423320330029 is 920033023324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 421880127529 + 1440202500 = 649523^2 + 37950^2 .

It is a cyclic number.

It is not a de Polignac number, because 423320330029 - 2¹⁷ = 423320198957 is a prime.

It is a super-2 number, since 2×423320330029² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423320330009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211660165014 + 211660165015.

It is an arithmetic number, because the mean of its divisors is an integer number (211660165015).

Almost surely, 2^423320330029 is an apocalyptic number.

It is an amenable number.

423320330029 is a deficient number, since it is larger than the sum of its proper divisors (1).

423320330029 is an equidigital number, since it uses as much as digits as its factorization.

423320330029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 31.

The spelling of 423320330029 in words is "four hundred twenty-three billion, three hundred twenty million, three hundred thirty thousand, twenty-nine".