210123203203320 has 64 divisors (see below), whose sum is σ = 687675937760640. Its totient is φ = 50938958352000.

The previous prime is 210123203203261. The next prime is 210123203203337. The reversal of 210123203203320 is 23302302321012.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79592121106 + ... + 79592123745.

It is an arithmetic number, because the mean of its divisors is an integer number (10744936527510).

Almost surely, 2^{210123203203320} is an apocalyptic number.

210123203203320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210123203203320 is an abundant number, since it is smaller than the sum of its proper divisors (477552734557320).

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

210123203203320 is a wasteful number, since it uses less digits than its factorization.

210123203203320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159184244876 (or 159184244872 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 210123203203320 its reverse (23302302321012), we get a palindrome (233425505524332).

The spelling of 210123203203320 in words is "two hundred ten trillion, one hundred twenty-three billion, two hundred three million, two hundred three thousand, three hundred twenty".