423013361 has 2 divisors, whose sum is σ = 423013362. Its totient is φ = 423013360.

The previous prime is 423013333. The next prime is 423013387. The reversal of 423013361 is 163310324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 240250000 + 182763361 = 15500^2 + 13519^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423013361 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (423013391) 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, 211506680 + 211506681.

It is an arithmetic number, because the mean of its divisors is an integer number (211506681).

Almost surely, 2^423013361 is an apocalyptic number.

It is an amenable number.

423013361 is a deficient number, since it is larger than the sum of its proper divisors (1).

423013361 is an equidigital number, since it uses as much as digits as its factorization.

423013361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 423013361 is about 20567.2886156635. The cubic root of 423013361 is about 750.6739784523.

Adding to 423013361 its reverse (163310324), we get a palindrome (586323685).

The spelling of 423013361 in words is "four hundred twenty-three million, thirteen thousand, three hundred sixty-one".