123423935063 has 8 divisors (see below), whose sum is σ = 145001546256. Its totient is φ = 103572532800.

The previous prime is 123423935051. The next prime is 123423935087. The reversal of 123423935063 is 360539324321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123423935063 - 2¹² = 123423930967 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123423935063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123423935263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 431552078 + ... + 431552363.

It is an arithmetic number, because the mean of its divisors is an integer number (18125193282).

Almost surely, 2^123423935063 is an apocalyptic number.

123423935063 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

123423935063 is a deficient number, since it is larger than the sum of its proper divisors (21577611193).

123423935063 is a wasteful number, since it uses less digits than its factorization.

123423935063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863104465.

The product of its (nonzero) digits is 349920, while the sum is 41.

The spelling of 123423935063 in words is "one hundred twenty-three billion, four hundred twenty-three million, nine hundred thirty-five thousand, sixty-three".