663267023 has 2 divisors, whose sum is σ = 663267024. Its totient is φ = 663267022.

The previous prime is 663267013. The next prime is 663267037. The reversal of 663267023 is 320762366.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 663267023 - 2⁸ = 663266767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (663267013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331633511 + 331633512.

It is an arithmetic number, because the mean of its divisors is an integer number (331633512).

Almost surely, 2^663267023 is an apocalyptic number.

663267023 is a deficient number, since it is larger than the sum of its proper divisors (1).

663267023 is an equidigital number, since it uses as much as digits as its factorization.

663267023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 35.

The square root of 663267023 is about 25753.9710141951. The cubic root of 663267023 is about 872.0930022955.

The spelling of 663267023 in words is "six hundred sixty-three million, two hundred sixty-seven thousand, twenty-three".