123239208348 has 96 divisors (see below), whose sum is σ = 324162872320. Its totient is φ = 40989663792.

The previous prime is 123239208347. The next prime is 123239208359. The reversal of 123239208348 is 843802932321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123239208347) 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 31 ways as a sum of consecutive naturals, for example, 4035111 + ... + 4065537.

Almost surely, 2^123239208348 is an apocalyptic number.

123239208348 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123239208348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162081436160).

123239208348 is an abundant number, since it is smaller than the sum of its proper divisors (200923663972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123239208348 is an equidigital number, since it uses as much as digits as its factorization.

123239208348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30915 (or 30895 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 123239208348 in words is "one hundred twenty-three billion, two hundred thirty-nine million, two hundred eight thousand, three hundred forty-eight".