123106103340659 has 4 divisors (see below), whose sum is σ = 130347638831304. Its totient is φ = 115864567850016.

The previous prime is 123106103340643. The next prime is 123106103340667. The reversal of 123106103340659 is 956043301601321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123106103340659 - 2⁴ = 123106103340643 is a prime.

It is a super-2 number, since 2×123106103340659² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123106103340859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3620767745297 + ... + 3620767745330.

It is an arithmetic number, because the mean of its divisors is an integer number (32586909707826).

Almost surely, 2^{123106103340659} is an apocalyptic number.

123106103340659 is a deficient number, since it is larger than the sum of its proper divisors (7241535490645).

123106103340659 is an equidigital number, since it uses as much as digits as its factorization.

123106103340659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7241535490644.

The product of its (nonzero) digits is 349920, while the sum is 44.

The spelling of 123106103340659 in words is "one hundred twenty-three trillion, one hundred six billion, one hundred three million, three hundred forty thousand, six hundred fifty-nine".