423320341 has 2 divisors, whose sum is σ = 423320342. Its totient is φ = 423320340.

The previous prime is 423320321. The next prime is 423320347. The reversal of 423320341 is 143023324.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 351562500 + 71757841 = 18750^2 + 8471^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423320341 is a prime.

It is a super-2 number, since 2×423320341² = 358400222208712562, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423320347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211660170 + 211660171.

It is an arithmetic number, because the mean of its divisors is an integer number (211660171).

Almost surely, 2^423320341 is an apocalyptic number.

It is an amenable number.

423320341 is a deficient number, since it is larger than the sum of its proper divisors (1).

423320341 is an equidigital number, since it uses as much as digits as its factorization.

423320341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 423320341 is about 20574.7500835369. The cubic root of 423320341 is about 750.8555221085.

Adding to 423320341 its reverse (143023324), we get a palindrome (566343665).

The spelling of 423320341 in words is "four hundred twenty-three million, three hundred twenty thousand, three hundred forty-one".