64103645333323 has 4 divisors (see below), whose sum is σ = 64103661348520. Its totient is φ = 64103629318128.

The previous prime is 64103645333309. The next prime is 64103645333327. The reversal of 64103645333323 is 32333354630146.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 64103645333323 - 2¹³ = 64103645325131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64103645333327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3802663 + ... + 11944351.

It is an arithmetic number, because the mean of its divisors is an integer number (16025915337130).

Almost surely, 2^{64103645333323} is an apocalyptic number.

64103645333323 is a deficient number, since it is larger than the sum of its proper divisors (16015197).

64103645333323 is an equidigital number, since it uses as much as digits as its factorization.

64103645333323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16015196.

The product of its (nonzero) digits is 4199040, while the sum is 46.

Adding to 64103645333323 its reverse (32333354630146), we get a palindrome (96436999963469).

The spelling of 64103645333323 in words is "sixty-four trillion, one hundred three billion, six hundred forty-five million, three hundred thirty-three thousand, three hundred twenty-three".