123252798563 has 2 divisors, whose sum is σ = 123252798564. Its totient is φ = 123252798562.

The previous prime is 123252798547. The next prime is 123252798667. The reversal of 123252798563 is 365897252321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123252798563 - 2⁴ = 123252798547 is a prime.

It is a super-2 number, since 2×123252798563² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (123252798503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61626399281 + 61626399282.

It is an arithmetic number, because the mean of its divisors is an integer number (61626399282).

Almost surely, 2^123252798563 is an apocalyptic number.

123252798563 is a deficient number, since it is larger than the sum of its proper divisors (1).

123252798563 is an equidigital number, since it uses as much as digits as its factorization.

123252798563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5443200, while the sum is 53.

The spelling of 123252798563 in words is "one hundred twenty-three billion, two hundred fifty-two million, seven hundred ninety-eight thousand, five hundred sixty-three".