423320023349 has 2 divisors, whose sum is σ = 423320023350. Its totient is φ = 423320023348.

The previous prime is 423320023327. The next prime is 423320023363. The reversal of 423320023349 is 943320023324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 293338142449 + 129981880900 = 541607^2 + 360530^2 .

It is a cyclic number.

It is not a de Polignac number, because 423320023349 - 2³⁶ = 354600546613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423320023649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211660011674 + 211660011675.

It is an arithmetic number, because the mean of its divisors is an integer number (211660011675).

Almost surely, 2^423320023349 is an apocalyptic number.

It is an amenable number.

423320023349 is a deficient number, since it is larger than the sum of its proper divisors (1).

423320023349 is an equidigital number, since it uses as much as digits as its factorization.

423320023349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 35.

The spelling of 423320023349 in words is "four hundred twenty-three billion, three hundred twenty million, twenty-three thousand, three hundred forty-nine".