64123144506303 has 16 divisors (see below), whose sum is σ = 89997613630080. Its totient is φ = 40498730085024.

The previous prime is 64123144506269. The next prime is 64123144506307. The reversal of 64123144506303 is 30360544132146.

64123144506303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 64123144506303 - 2²² = 64123140311999 is a prime.

It is a super-2 number, since 2×64123144506303² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64123144506307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27841825 + ... + 30056837.

It is an arithmetic number, because the mean of its divisors is an integer number (5624850851880).

Almost surely, 2^{64123144506303} is an apocalyptic number.

64123144506303 is a deficient number, since it is larger than the sum of its proper divisors (25874469123777).

64123144506303 is a wasteful number, since it uses less digits than its factorization.

64123144506303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2722918.

The product of its (nonzero) digits is 622080, while the sum is 42.

Adding to 64123144506303 its reverse (30360544132146), we get a palindrome (94483688638449).

The spelling of 64123144506303 in words is "sixty-four trillion, one hundred twenty-three billion, one hundred forty-four million, five hundred six thousand, three hundred three".