64711123 has 2 divisors, whose sum is σ = 64711124. Its totient is φ = 64711122.

The previous prime is 64711111. The next prime is 64711133. The reversal of 64711123 is 32111746.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64711123 - 2⁵ = 64711091 is a prime.

It is a super-2 number, since 2×64711123² = 8375058879842258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (64711133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32355561 + 32355562.

It is an arithmetic number, because the mean of its divisors is an integer number (32355562).

Almost surely, 2^64711123 is an apocalyptic number.

64711123 is a deficient number, since it is larger than the sum of its proper divisors (1).

64711123 is an equidigital number, since it uses as much as digits as its factorization.

64711123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008, while the sum is 25.

The square root of 64711123 is about 8044.3224077606. The cubic root of 64711123 is about 401.4760527211.

Adding to 64711123 its reverse (32111746), we get a palindrome (96822869).

The spelling of 64711123 in words is "sixty-four million, seven hundred eleven thousand, one hundred twenty-three".