13022023021 has 32 divisors (see below), whose sum is σ = 15326908416. Its totient is φ = 10834560000.

The previous prime is 13022023019. The next prime is 13022023037. The reversal of 13022023021 is 12032022031.

It is a cyclic number.

It is not a de Polignac number, because 13022023021 - 2¹ = 13022023019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13022022986 and 13022023004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13022023061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9857041 + ... + 9858361.

It is an arithmetic number, because the mean of its divisors is an integer number (478965888).

Almost surely, 2^13022023021 is an apocalyptic number.

It is an amenable number.

13022023021 is a deficient number, since it is larger than the sum of its proper divisors (2304885395).

13022023021 is a wasteful number, since it uses less digits than its factorization.

13022023021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 13022023021 its reverse (12032022031), we get a palindrome (25054045052).

The spelling of 13022023021 in words is "thirteen billion, twenty-two million, twenty-three thousand, twenty-one".