22142003123 has 4 divisors (see below), whose sum is σ = 22142312640. Its totient is φ = 22141693608.

The previous prime is 22142003111. The next prime is 22142003131. The reversal of 22142003123 is 32130024122.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22142003123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22142003095 and 22142003104.

It is not an unprimeable number, because it can be changed into a prime (22142063123) 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, 13598 + ... + 210876.

It is an arithmetic number, because the mean of its divisors is an integer number (5535578160).

Almost surely, 2^22142003123 is an apocalyptic number.

22142003123 is a deficient number, since it is larger than the sum of its proper divisors (309517).

22142003123 is a wasteful number, since it uses less digits than its factorization.

22142003123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309516.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 22142003123 its reverse (32130024122), we get a palindrome (54272027245).

The spelling of 22142003123 in words is "twenty-two billion, one hundred forty-two million, three thousand, one hundred twenty-three".