123210323020 has 48 divisors (see below), whose sum is σ = 274580536608. Its totient is φ = 46280299520.

The previous prime is 123210323011. The next prime is 123210323053. The reversal of 123210323020 is 20323012321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258391 + ... + 559630.

It is an arithmetic number, because the mean of its divisors is an integer number (5720427846).

Almost surely, 2^123210323020 is an apocalyptic number.

123210323020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123210323020 is an abundant number, since it is smaller than the sum of its proper divisors (151370213588).

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

123210323020 is a wasteful number, since it uses less digits than its factorization.

123210323020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818490 (or 818488 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 123210323020 its reverse (20323012321), we get a palindrome (143533335341).

The spelling of 123210323020 in words is "one hundred twenty-three billion, two hundred ten million, three hundred twenty-three thousand, twenty".