210120323230023 has 16 divisors (see below), whose sum is σ = 281273543128320. Its totient is φ = 139524537954816.

The previous prime is 210120323230009. The next prime is 210120323230031. The reversal of 210120323230023 is 320032323021012.

It is not a de Polignac number, because 210120323230023 - 2¹⁶ = 210120323164487 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210120323229975 and 210120323230002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210120323232023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108860890 + ... + 110774247.

It is an arithmetic number, because the mean of its divisors is an integer number (17579596445520).

Almost surely, 2^{210120323230023} is an apocalyptic number.

210120323230023 is a deficient number, since it is larger than the sum of its proper divisors (71153219898297).

210120323230023 is a wasteful number, since it uses less digits than its factorization.

210120323230023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219636406.

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

Adding to 210120323230023 its reverse (320032323021012), we get a palindrome (530152646251035).

The spelling of 210120323230023 in words is "two hundred ten trillion, one hundred twenty billion, three hundred twenty-three million, two hundred thirty thousand, twenty-three".