123032301020 has 24 divisors (see below), whose sum is σ = 258751765104. Its totient is φ = 49139790336.

The previous prime is 123032300929. The next prime is 123032301047. The reversal of 123032301020 is 20103230321.

It is a self number, because there is not a number n which added to its sum of digits gives 123032301020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4556834 + ... + 4583753.

It is an arithmetic number, because the mean of its divisors is an integer number (10781323546).

Almost surely, 2^123032301020 is an apocalyptic number.

123032301020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123032301020 is an abundant number, since it is smaller than the sum of its proper divisors (135719464084).

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

123032301020 is a wasteful number, since it uses less digits than its factorization.

123032301020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9141269 (or 9141267 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 123032301020 its reverse (20103230321), we get a palindrome (143135531341).

The spelling of 123032301020 in words is "one hundred twenty-three billion, thirty-two million, three hundred one thousand, twenty".