22431013423 has 16 divisors (see below), whose sum is σ = 27710061120. Its totient is φ = 17681619456.

The previous prime is 22431013411. The next prime is 22431013427. The reversal of 22431013423 is 32431013422.

It is a cyclic number.

It is not a de Polignac number, because 22431013423 - 2⁹ = 22431012911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22431013427) 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, 433690 + ... + 482647.

It is an arithmetic number, because the mean of its divisors is an integer number (1731878820).

Almost surely, 2^22431013423 is an apocalyptic number.

22431013423 is a deficient number, since it is larger than the sum of its proper divisors (5279047697).

22431013423 is a wasteful number, since it uses less digits than its factorization.

22431013423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916626.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 22431013423 its reverse (32431013422), we get a palindrome (54862026845).

Subtracting 22431013423 from its reverse (32431013422), we obtain a palindrome (9999999999).

The spelling of 22431013423 in words is "twenty-two billion, four hundred thirty-one million, thirteen thousand, four hundred twenty-three".