64111123 has 2 divisors, whose sum is σ = 64111124. Its totient is φ = 64111122.

The previous prime is 64111093. The next prime is 64111129. The reversal of 64111123 is 32111146.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64111123 - 2²¹ = 62013971 is a prime.

It is a super-2 number, since 2×64111123² = 8220472184642258, 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 64111123.

It is not a weakly prime, because it can be changed into another prime (64111129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32055561 + 32055562.

It is an arithmetic number, because the mean of its divisors is an integer number (32055562).

Almost surely, 2^64111123 is an apocalyptic number.

64111123 is a deficient number, since it is larger than the sum of its proper divisors (1).

64111123 is an equidigital number, since it uses as much as digits as its factorization.

64111123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144, while the sum is 19.

The square root of 64111123 is about 8006.9421753876. The cubic root of 64111123 is about 400.2313723912.

Adding to 64111123 its reverse (32111146), we get a palindrome (96222269).

The spelling of 64111123 in words is "sixty-four million, one hundred eleven thousand, one hundred twenty-three".