22434434123 has 4 divisors (see below), whose sum is σ = 22434733728. Its totient is φ = 22434134520.

The previous prime is 22434434101. The next prime is 22434434159. The reversal of 22434434123 is 32143443422.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 32143443422 = 2 ⋅16071721711.

It is a cyclic number.

It is not a de Polignac number, because 22434434123 - 2¹⁸ = 22434171979 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22434434123.

It is not an unprimeable number, because it can be changed into a prime (22434434023) 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, 71165 + ... + 223457.

It is an arithmetic number, because the mean of its divisors is an integer number (5608683432).

Almost surely, 2^22434434123 is an apocalyptic number.

22434434123 is a deficient number, since it is larger than the sum of its proper divisors (299605).

22434434123 is a wasteful number, since it uses less digits than its factorization.

22434434123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299604.

The product of its digits is 55296, while the sum is 32.

Adding to 22434434123 its reverse (32143443422), we get a palindrome (54577877545).

The spelling of 22434434123 in words is "twenty-two billion, four hundred thirty-four million, four hundred thirty-four thousand, one hundred twenty-three".