22203202123 has 2 divisors, whose sum is σ = 22203202124. Its totient is φ = 22203202122.

The previous prime is 22203202093. The next prime is 22203202139. The reversal of 22203202123 is 32120230222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22203202123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22203202123.

It is not a weakly prime, because it can be changed into another prime (22203208123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11101601061 + 11101601062.

It is an arithmetic number, because the mean of its divisors is an integer number (11101601062).

Almost surely, 2^22203202123 is an apocalyptic number.

22203202123 is a deficient number, since it is larger than the sum of its proper divisors (1).

22203202123 is an equidigital number, since it uses as much as digits as its factorization.

22203202123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 22203202123 its reverse (32120230222), we get a palindrome (54323432345).

The spelling of 22203202123 in words is "twenty-two billion, two hundred three million, two hundred two thousand, one hundred twenty-three".