123650025651563 has 2 divisors, whose sum is σ = 123650025651564. Its totient is φ = 123650025651562.

The previous prime is 123650025651553. The next prime is 123650025651631. The reversal of 123650025651563 is 365156520056321.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123650025651563 - 2¹⁴ = 123650025635179 is a prime.

It is not a weakly prime, because it can be changed into another prime (123650025651553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61825012825781 + 61825012825782.

It is an arithmetic number, because the mean of its divisors is an integer number (61825012825782).

Almost surely, 2^{123650025651563} is an apocalyptic number.

123650025651563 is a deficient number, since it is larger than the sum of its proper divisors (1).

123650025651563 is an equidigital number, since it uses as much as digits as its factorization.

123650025651563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860000, while the sum is 50.

The spelling of 123650025651563 in words is "one hundred twenty-three trillion, six hundred fifty billion, twenty-five million, six hundred fifty-one thousand, five hundred sixty-three".