123108310623 has 4 divisors (see below), whose sum is σ = 164144414168. Its totient is φ = 82072207080.

The previous prime is 123108310609. The next prime is 123108310657. The reversal of 123108310623 is 326013801321.

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

It is not a de Polignac number, because 123108310623 - 2¹³ = 123108302431 is a prime.

It is a super-2 number, since 2×123108310623² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123108310603) 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, 20518051768 + ... + 20518051773.

It is an arithmetic number, because the mean of its divisors is an integer number (41036103542).

Almost surely, 2^123108310623 is an apocalyptic number.

123108310623 is a deficient number, since it is larger than the sum of its proper divisors (41036103545).

123108310623 is an equidigital number, since it uses as much as digits as its factorization.

123108310623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41036103544.

The product of its (nonzero) digits is 5184, while the sum is 30.

The spelling of 123108310623 in words is "one hundred twenty-three billion, one hundred eight million, three hundred ten thousand, six hundred twenty-three".