13011222023 has 4 divisors (see below), whose sum is σ = 13043996280. Its totient is φ = 12978447768.

The previous prime is 13011221987. The next prime is 13011222043. The reversal of 13011222023 is 32022211031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32022211031 = 37 ⋅865465163.

It is a cyclic number.

It is not a de Polignac number, because 13011222023 - 2¹² = 13011217927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13011221992 and 13011222010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13011222043) 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, 16386533 + ... + 16387326.

It is an arithmetic number, because the mean of its divisors is an integer number (3260999070).

Almost surely, 2^13011222023 is an apocalyptic number.

13011222023 is a deficient number, since it is larger than the sum of its proper divisors (32774257).

13011222023 is an equidigital number, since it uses as much as digits as its factorization.

13011222023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32774256.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 13011222023 its reverse (32022211031), we get a palindrome (45033433054).

The spelling of 13011222023 in words is "thirteen billion, eleven million, two hundred twenty-two thousand, twenty-three".