123016195123 has 8 divisors (see below), whose sum is σ = 126040710096. Its totient is φ = 119992828800.

The previous prime is 123016195033. The next prime is 123016195177. The reversal of 123016195123 is 321591610321.

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

It is a cyclic number.

It is not a de Polignac number, because 123016195123 - 2¹⁷ = 123016064051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123016193123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68313 + ... + 500698.

It is an arithmetic number, because the mean of its divisors is an integer number (15755088762).

Almost surely, 2^123016195123 is an apocalyptic number.

123016195123 is a deficient number, since it is larger than the sum of its proper divisors (3024514973).

123016195123 is an equidigital number, since it uses as much as digits as its factorization.

123016195123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574325.

The product of its (nonzero) digits is 9720, while the sum is 34.

The spelling of 123016195123 in words is "one hundred twenty-three billion, sixteen million, one hundred ninety-five thousand, one hundred twenty-three".