13220023233 has 8 divisors (see below), whose sum is σ = 17791433568. Its totient is φ = 8730980864.

The previous prime is 13220023213. The next prime is 13220023247. The reversal of 13220023233 is 33232002231.

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

It is not a de Polignac number, because 13220023233 - 2²⁸ = 12951587777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13220023213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20591616 + ... + 20592257.

It is an arithmetic number, because the mean of its divisors is an integer number (2223929196).

Almost surely, 2^13220023233 is an apocalyptic number.

It is an amenable number.

13220023233 is a deficient number, since it is larger than the sum of its proper divisors (4571410335).

13220023233 is a wasteful number, since it uses less digits than its factorization.

13220023233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41183983.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 13220023233 its reverse (33232002231), we get a palindrome (46452025464).

The spelling of 13220023233 in words is "thirteen billion, two hundred twenty million, twenty-three thousand, two hundred thirty-three".