22123042432 has 32 divisors (see below), whose sum is σ = 44133562980. Its totient is φ = 11046383616.

The previous prime is 22123042423. The next prime is 22123042451. The reversal of 22123042432 is 23424032122.

It can be written as a sum of positive squares in 2 ways, for example, as 21604296256 + 518746176 = 146984^2 + 22776^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 22123042397 and 22123042406.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24073 + ... + 211720.

Almost surely, 2^22123042432 is an apocalyptic number.

It is an amenable number.

22123042432 is a deficient number, since it is larger than the sum of its proper divisors (22010520548).

22123042432 is an equidigital number, since it uses as much as digits as its factorization.

22123042432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236540 (or 236528 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 22123042432 its reverse (23424032122), we get a palindrome (45547074554).

The spelling of 22123042432 in words is "twenty-two billion, one hundred twenty-three million, forty-two thousand, four hundred thirty-two".