13220104620323 has 32 divisors (see below), whose sum is σ = 14315615523840. Its totient is φ = 12168624764160.

The previous prime is 13220104620313. The next prime is 13220104620347. The reversal of 13220104620323 is 32302640102231.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13220104620323 - 2¹² = 13220104616227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13220104620313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 127603463 + ... + 127707023.

It is an arithmetic number, because the mean of its divisors is an integer number (447362985120).

Almost surely, 2^{13220104620323} is an apocalyptic number.

13220104620323 is a deficient number, since it is larger than the sum of its proper divisors (1095510903517).

13220104620323 is a wasteful number, since it uses less digits than its factorization.

13220104620323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104667.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 13220104620323 its reverse (32302640102231), we get a palindrome (45522744722554).

The spelling of 13220104620323 in words is "thirteen trillion, two hundred twenty billion, one hundred four million, six hundred twenty thousand, three hundred twenty-three".