22123515023 has 2 divisors, whose sum is σ = 22123515024. Its totient is φ = 22123515022.

The previous prime is 22123514951. The next prime is 22123515067. The reversal of 22123515023 is 32051532122.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22123515023 - 2²⁸ = 21855079567 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22123514983 and 22123515001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22123515823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11061757511 + 11061757512.

It is an arithmetic number, because the mean of its divisors is an integer number (11061757512).

Almost surely, 2^22123515023 is an apocalyptic number.

22123515023 is a deficient number, since it is larger than the sum of its proper divisors (1).

22123515023 is an equidigital number, since it uses as much as digits as its factorization.

22123515023 is an evil number, because the sum of its binary digits is even.

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

The spelling of 22123515023 in words is "twenty-two billion, one hundred twenty-three million, five hundred fifteen thousand, twenty-three".