63605023 has 2 divisors, whose sum is σ = 63605024. Its totient is φ = 63605022.

The previous prime is 63605021. The next prime is 63605057. The reversal of 63605023 is 32050636.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63605023 - 2¹ = 63605021 is a prime.

Together with 63605021, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63605021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31802511 + 31802512.

It is an arithmetic number, because the mean of its divisors is an integer number (31802512).

Almost surely, 2^63605023 is an apocalyptic number.

63605023 is a deficient number, since it is larger than the sum of its proper divisors (1).

63605023 is an equidigital number, since it uses as much as digits as its factorization.

63605023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 63605023 is about 7975.2757319105. The cubic root of 63605023 is about 399.1754326397.

Adding to 63605023 its reverse (32050636), we get a palindrome (95655659).

The spelling of 63605023 in words is "sixty-three million, six hundred five thousand, twenty-three".