213133320123 has 8 divisors (see below), whose sum is σ = 284327256336. Its totient is φ = 142014132000.

The previous prime is 213133320109. The next prime is 213133320151. The reversal of 213133320123 is 321023331312.

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

It is not a de Polignac number, because 213133320123 - 2¹² = 213133316027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213133320093 and 213133320102.

It is not an unprimeable number, because it can be changed into a prime (213133322123) 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, 18680368 + ... + 18691773.

It is an arithmetic number, because the mean of its divisors is an integer number (35540907042).

Almost surely, 2^213133320123 is an apocalyptic number.

213133320123 is a deficient number, since it is larger than the sum of its proper divisors (71193936213).

213133320123 is a wasteful number, since it uses less digits than its factorization.

213133320123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37374045.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 213133320123 its reverse (321023331312), we get a palindrome (534156651435).

The spelling of 213133320123 in words is "two hundred thirteen billion, one hundred thirty-three million, three hundred twenty thousand, one hundred twenty-three".