63311023 has 2 divisors, whose sum is σ = 63311024. Its totient is φ = 63311022.

The previous prime is 63310999. The next prime is 63311029. The reversal of 63311023 is 32011336.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63311023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63311029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31655511 + 31655512.

It is an arithmetic number, because the mean of its divisors is an integer number (31655512).

Almost surely, 2^63311023 is an apocalyptic number.

63311023 is a deficient number, since it is larger than the sum of its proper divisors (1).

63311023 is an equidigital number, since it uses as much as digits as its factorization.

63311023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 63311023 is about 7956.8224185286. The cubic root of 63311023 is about 398.5594495137.

Adding to 63311023 its reverse (32011336), we get a palindrome (95322359).

The spelling of 63311023 in words is "sixty-three million, three hundred eleven thousand, twenty-three".