210123103202 has 16 divisors (see below), whose sum is σ = 320510216952. Its totient is φ = 103295445120.

The previous prime is 210123103187. The next prime is 210123103219. The reversal of 210123103202 is 202301321012.

210123103202 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 159056594761 + 51066508441 = 398819^2 + 225979^2 .

It is a super-3 number, since 3×210123103202³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2223749 + ... + 2316312.

Almost surely, 2^210123103202 is an apocalyptic number.

210123103202 is a deficient number, since it is larger than the sum of its proper divisors (110387113750).

210123103202 is a wasteful number, since it uses less digits than its factorization.

210123103202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4540453.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 210123103202 its reverse (202301321012), we get a palindrome (412424424214).

The spelling of 210123103202 in words is "two hundred ten billion, one hundred twenty-three million, one hundred three thousand, two hundred two".