68563423 has 2 divisors, whose sum is σ = 68563424. Its totient is φ = 68563422.

The previous prime is 68563421. The next prime is 68563433. The reversal of 68563423 is 32436586.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68563423 - 2¹ = 68563421 is a prime.

Together with 68563421, 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 (68563421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34281711 + 34281712.

It is an arithmetic number, because the mean of its divisors is an integer number (34281712).

Almost surely, 2^68563423 is an apocalyptic number.

68563423 is a deficient number, since it is larger than the sum of its proper divisors (1).

68563423 is an equidigital number, since it uses as much as digits as its factorization.

68563423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 37.

The square root of 68563423 is about 8280.3033157005. The cubic root of 68563423 is about 409.2897140906.

It can be divided in two parts, 68563 and 423, that added together give a palindrome (68986).

The spelling of 68563423 in words is "sixty-eight million, five hundred sixty-three thousand, four hundred twenty-three".