13023120001 has 4 divisors (see below), whose sum is σ = 13061764612. Its totient is φ = 12984475392.

The previous prime is 13023119953. The next prime is 13023120017. The reversal of 13023120001 is 10002132031.

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 1110488976 + 11912631025 = 33324^2 + 109145^2 .

It is a cyclic number.

It is not a de Polignac number, because 13023120001 - 2⁷ = 13023119873 is a prime.

It is a super-4 number, since 4×13023120001⁴ (a number of 42 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13023120041) 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, 19321800 + ... + 19322473.

It is an arithmetic number, because the mean of its divisors is an integer number (3265441153).

Almost surely, 2^13023120001 is an apocalyptic number.

It is an amenable number.

13023120001 is a deficient number, since it is larger than the sum of its proper divisors (38644611).

13023120001 is an equidigital number, since it uses as much as digits as its factorization.

13023120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38644610.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 13023120001 its reverse (10002132031), we get a palindrome (23025252032).

The spelling of 13023120001 in words is "thirteen billion, twenty-three million, one hundred twenty thousand, one".