123032302320 has 160 divisors (see below), whose sum is σ = 400043824128. Its totient is φ = 31242599424.

The previous prime is 123032302297. The next prime is 123032302339. The reversal of 123032302320 is 23203230321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 269967 + ... + 564753.

Almost surely, 2^123032302320 is an apocalyptic number.

123032302320 is a gapful number since it is divisible by the number (10) 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 123032302320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200021912064).

123032302320 is an abundant number, since it is smaller than the sum of its proper divisors (277011521808).

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

123032302320 is a wasteful number, since it uses less digits than its factorization.

123032302320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294887 (or 294881 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 123032302320 its reverse (23203230321), we get a palindrome (146235532641).

The spelling of 123032302320 in words is "one hundred twenty-three billion, thirty-two million, three hundred two thousand, three hundred twenty".