20030231100223 has 8 divisors (see below), whose sum is σ = 20288012533200. Its totient is φ = 19773176837568.

The previous prime is 20030231100203. The next prime is 20030231100251. The reversal of 20030231100223 is 32200113203002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20030231100223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20030231100223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20030231100203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181737136 + ... + 181847317.

It is an arithmetic number, because the mean of its divisors is an integer number (2536001566650).

Almost surely, 2^{20030231100223} is an apocalyptic number.

20030231100223 is a deficient number, since it is larger than the sum of its proper divisors (257781432977).

20030231100223 is an equidigital number, since it uses as much as digits as its factorization.

20030231100223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363585161.

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

Adding to 20030231100223 its reverse (32200113203002), we get a palindrome (52230344303225).

The spelling of 20030231100223 in words is "twenty trillion, thirty billion, two hundred thirty-one million, one hundred thousand, two hundred twenty-three".