4522145123 has 2 divisors, whose sum is σ = 4522145124. Its totient is φ = 4522145122.

The previous prime is 4522145099. The next prime is 4522145137. The reversal of 4522145123 is 3215412254.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4522145123 - 2²⁶ = 4455036259 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (4522145923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2261072561 + 2261072562.

It is an arithmetic number, because the mean of its divisors is an integer number (2261072562).

Almost surely, 2^4522145123 is an apocalyptic number.

4522145123 is a deficient number, since it is larger than the sum of its proper divisors (1).

4522145123 is an equidigital number, since it uses as much as digits as its factorization.

4522145123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9600, while the sum is 29.

The square root of 4522145123 is about 67246.8967536793. The cubic root of 4522145123 is about 1653.6674009205.

Adding to 4522145123 its reverse (3215412254), we get a palindrome (7737557377).

The spelling of 4522145123 in words is "four billion, five hundred twenty-two million, one hundred forty-five thousand, one hundred twenty-three".