13001220023 has 8 divisors (see below), whose sum is σ = 14285187840. Its totient is φ = 11734258680.

The previous prime is 13001219993. The next prime is 13001220049. The reversal of 13001220023 is 32002210031.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13001220023 - 2¹⁰ = 13001218999 is a prime.

It is a super-2 number, since 2×13001220023² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13001220073) 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 7 ways as a sum of consecutive naturals, for example, 4250015 + ... + 4253072.

It is an arithmetic number, because the mean of its divisors is an integer number (1785648480).

Almost surely, 2^13001220023 is an apocalyptic number.

13001220023 is a deficient number, since it is larger than the sum of its proper divisors (1283967817).

13001220023 is a wasteful number, since it uses less digits than its factorization.

13001220023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8503237.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 13001220023 its reverse (32002210031), we get a palindrome (45003430054).

The spelling of 13001220023 in words is "thirteen billion, one million, two hundred twenty thousand, twenty-three".