67923563 has 2 divisors, whose sum is σ = 67923564. Its totient is φ = 67923562.

The previous prime is 67923547. The next prime is 67923589. The reversal of 67923563 is 36532976.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 67923563 - 2⁴ = 67923547 is a prime.

It is a super-2 number, since 2×67923563² = 9227220821229938, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 67923563.

It is not a weakly prime, because it can be changed into another prime (67923503) 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, 33961781 + 33961782.

It is an arithmetic number, because the mean of its divisors is an integer number (33961782).

Almost surely, 2^67923563 is an apocalyptic number.

67923563 is a deficient number, since it is larger than the sum of its proper divisors (1).

67923563 is an equidigital number, since it uses as much as digits as its factorization.

67923563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 204120, while the sum is 41.

The square root of 67923563 is about 8241.5752741815. The cubic root of 67923563 is about 408.0125168369.

It can be divided in two parts, 67923 and 563, that added together give a palindrome (68486).

The spelling of 67923563 in words is "sixty-seven million, nine hundred twenty-three thousand, five hundred sixty-three".