13423433220101 has 4 divisors (see below), whose sum is σ = 13423455633132. Its totient is φ = 13423410807072.

The previous prime is 13423433220091. The next prime is 13423433220121. The reversal of 13423433220101 is 10102233432431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10042244102500 + 3381189117601 = 3168950^2 + 1838801^2 .

It is a cyclic number.

It is not a de Polignac number, because 13423433220101 - 2³⁰ = 13422359478277 is a prime.

It is a super-2 number, since 2×13423433220101² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13423433220121) 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, 10282766 + ... + 11514431.

It is an arithmetic number, because the mean of its divisors is an integer number (3355863908283).

Almost surely, 2^{13423433220101} is an apocalyptic number.

It is an amenable number.

13423433220101 is a deficient number, since it is larger than the sum of its proper divisors (22413031).

13423433220101 is an equidigital number, since it uses as much as digits as its factorization.

13423433220101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22413030.

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

Adding to 13423433220101 its reverse (10102233432431), we get a palindrome (23525666652532).

The spelling of 13423433220101 in words is "thirteen trillion, four hundred twenty-three billion, four hundred thirty-three million, two hundred twenty thousand, one hundred one".