213301022123 has 16 divisors (see below), whose sum is σ = 251831777280. Its totient is φ = 176794228800.

The previous prime is 213301022113. The next prime is 213301022149. The reversal of 213301022123 is 321220103312.

It is not a de Polignac number, because 213301022123 - 2⁶ = 213301022059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213301022095 and 213301022104.

It is not an unprimeable number, because it can be changed into a prime (213301022113) 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, 101573 + ... + 660998.

It is an arithmetic number, because the mean of its divisors is an integer number (15739486080).

Almost surely, 2^213301022123 is an apocalyptic number.

213301022123 is a deficient number, since it is larger than the sum of its proper divisors (38530755157).

213301022123 is a wasteful number, since it uses less digits than its factorization.

213301022123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763898.

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

Adding to 213301022123 its reverse (321220103312), we get a palindrome (534521125435).

The spelling of 213301022123 in words is "two hundred thirteen billion, three hundred one million, twenty-two thousand, one hundred twenty-three".