13022043423 has 16 divisors (see below), whose sum is σ = 18297017856. Its totient is φ = 8221690400.

The previous prime is 13022043389. The next prime is 13022043439. The reversal of 13022043423 is 32434022031.

It is not a de Polignac number, because 13022043423 - 2¹⁰ = 13022042399 is a prime.

It is a super-2 number, since 2×13022043423² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13022043393 and 13022043402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13022043323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 927315 + ... + 941252.

It is an arithmetic number, because the mean of its divisors is an integer number (1143563616).

Almost surely, 2^13022043423 is an apocalyptic number.

13022043423 is a deficient number, since it is larger than the sum of its proper divisors (5274974433).

13022043423 is a wasteful number, since it uses less digits than its factorization.

13022043423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1868694.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 13022043423 its reverse (32434022031), we get a palindrome (45456065454).

The spelling of 13022043423 in words is "thirteen billion, twenty-two million, forty-three thousand, four hundred twenty-three".