423663337 has 2 divisors, whose sum is σ = 423663338. Its totient is φ = 423663336.

The previous prime is 423663277. The next prime is 423663347. The reversal of 423663337 is 733366324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 408484521 + 15178816 = 20211^2 + 3896^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423663337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 423663296 and 423663305.

It is not a weakly prime, because it can be changed into another prime (423663347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211831668 + 211831669.

It is an arithmetic number, because the mean of its divisors is an integer number (211831669).

Almost surely, 2^423663337 is an apocalyptic number.

It is an amenable number.

423663337 is a deficient number, since it is larger than the sum of its proper divisors (1).

423663337 is an equidigital number, since it uses as much as digits as its factorization.

423663337 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 37.

The square root of 423663337 is about 20583.0837582710. The cubic root of 423663337 is about 751.0582613342.

The spelling of 423663337 in words is "four hundred twenty-three million, six hundred sixty-three thousand, three hundred thirty-seven".