13023241421 has 24 divisors (see below), whose sum is σ = 14268443904. Its totient is φ = 11876401440.

The previous prime is 13023241367. The next prime is 13023241457. The reversal of 13023241421 is 12414232031.

13023241421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-13023241421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13023241471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1028696 + ... + 1041278.

It is an arithmetic number, because the mean of its divisors is an integer number (594518496).

Almost surely, 2^13023241421 is an apocalyptic number.

It is an amenable number.

13023241421 is a deficient number, since it is larger than the sum of its proper divisors (1245202483).

13023241421 is a wasteful number, since it uses less digits than its factorization.

13023241421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12729 (or 12710 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 13023241421 its reverse (12414232031), we get a palindrome (25437473452).

The spelling of 13023241421 in words is "thirteen billion, twenty-three million, two hundred forty-one thousand, four hundred twenty-one".