213120203110123 has 8 divisors (see below), whose sum is σ = 213155771028048. Its totient is φ = 213084636543744.

The previous prime is 213120203110109. The next prime is 213120203110163. The reversal of 213120203110123 is 321011302021312.

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

It is a cyclic number.

It is not a de Polignac number, because 213120203110123 - 2¹³ = 213120203101931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213120203110094 and 213120203110103.

It is not an unprimeable number, because it can be changed into a prime (213120203110163) 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, 344067711 + ... + 344686567.

It is an arithmetic number, because the mean of its divisors is an integer number (26644471378506).

Almost surely, 2^{213120203110123} is an apocalyptic number.

213120203110123 is a deficient number, since it is larger than the sum of its proper divisors (35567917925).

213120203110123 is an equidigital number, since it uses as much as digits as its factorization.

213120203110123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675773.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 213120203110123 its reverse (321011302021312), we get a palindrome (534131505131435).

The spelling of 213120203110123 in words is "two hundred thirteen trillion, one hundred twenty billion, two hundred three million, one hundred ten thousand, one hundred twenty-three".