22040124023 has 4 divisors (see below), whose sum is σ = 22509062880. Its totient is φ = 21571185168.

The previous prime is 22040124019. The next prime is 22040124047. The reversal of 22040124023 is 32042104022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22040124023 - 2² = 22040124019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22040123986 and 22040124004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22040124083) 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, 234469358 + ... + 234469451.

It is an arithmetic number, because the mean of its divisors is an integer number (5627265720).

Almost surely, 2^22040124023 is an apocalyptic number.

22040124023 is a deficient number, since it is larger than the sum of its proper divisors (468938857).

22040124023 is an equidigital number, since it uses as much as digits as its factorization.

22040124023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468938856.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 22040124023 its reverse (32042104022), we get a palindrome (54082228045).

The spelling of 22040124023 in words is "twenty-two billion, forty million, one hundred twenty-four thousand, twenty-three".