20123203110230 has 32 divisors (see below), whose sum is σ = 41594371983360. Its totient is φ = 6932395329120.

The previous prime is 20123203110229. The next prime is 20123203110259. The reversal of 20123203110230 is 3201130232102.

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, 4814161334 + ... + 4814165513.

It is an arithmetic number, because the mean of its divisors is an integer number (1299824124480).

Almost surely, 2^{20123203110230} is an apocalyptic number.

20123203110230 is an abundant number, since it is smaller than the sum of its proper divisors (21471168873130).

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

20123203110230 is a wasteful number, since it uses less digits than its factorization.

20123203110230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9628326884.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20123203110230 its reverse (3201130232102), we get a palindrome (23324333342332).

The spelling of 20123203110230 in words is "twenty trillion, one hundred twenty-three billion, two hundred three million, one hundred ten thousand, two hundred thirty".