22502513123 has 2 divisors, whose sum is σ = 22502513124. Its totient is φ = 22502513122.

The previous prime is 22502513081. The next prime is 22502513149. The reversal of 22502513123 is 32131520522.

It is a happy number.

It is an a-pointer prime, because the next prime (22502513149) can be obtained adding 22502513123 to its sum of digits (26).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22502513123 - 2²⁰ = 22501464547 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22502513092 and 22502513101.

It is not a weakly prime, because it can be changed into another prime (22502513153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11251256561 + 11251256562.

It is an arithmetic number, because the mean of its divisors is an integer number (11251256562).

Almost surely, 2^22502513123 is an apocalyptic number.

22502513123 is a deficient number, since it is larger than the sum of its proper divisors (1).

22502513123 is an equidigital number, since it uses as much as digits as its factorization.

22502513123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 26.

The spelling of 22502513123 in words is "twenty-two billion, five hundred two million, five hundred thirteen thousand, one hundred twenty-three".