123370025563 has 2 divisors, whose sum is σ = 123370025564. Its totient is φ = 123370025562.

The previous prime is 123370025557. The next prime is 123370025591. The reversal of 123370025563 is 365520073321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123370025563 - 2²⁵ = 123336471131 is a prime.

It is not a weakly prime, because it can be changed into another prime (123370025663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61685012781 + 61685012782.

It is an arithmetic number, because the mean of its divisors is an integer number (61685012782).

Almost surely, 2^123370025563 is an apocalyptic number.

123370025563 is a deficient number, since it is larger than the sum of its proper divisors (1).

123370025563 is an equidigital number, since it uses as much as digits as its factorization.

123370025563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 113400, while the sum is 37.

Adding to 123370025563 its reverse (365520073321), we get a palindrome (488890098884).

The spelling of 123370025563 in words is "one hundred twenty-three billion, three hundred seventy million, twenty-five thousand, five hundred sixty-three".