22123103137 has 2 divisors, whose sum is σ = 22123103138. Its totient is φ = 22123103136.

The previous prime is 22123103129. The next prime is 22123103147. The reversal of 22123103137 is 73130132122.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20412122641 + 1710980496 = 142871^2 + 41364^2 .

It is a cyclic number.

It is not a de Polignac number, because 22123103137 - 2³ = 22123103129 is a prime.

It is not a weakly prime, because it can be changed into another prime (22123103147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11061551568 + 11061551569.

It is an arithmetic number, because the mean of its divisors is an integer number (11061551569).

Almost surely, 2^22123103137 is an apocalyptic number.

It is an amenable number.

22123103137 is a deficient number, since it is larger than the sum of its proper divisors (1).

22123103137 is an equidigital number, since it uses as much as digits as its factorization.

22123103137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 25.

Adding to 22123103137 its reverse (73130132122), we get a palindrome (95253235259).

The spelling of 22123103137 in words is "twenty-two billion, one hundred twenty-three million, one hundred three thousand, one hundred thirty-seven".