213320112123 has 8 divisors (see below), whose sum is σ = 284610442000. Its totient is φ = 142121595168.

The previous prime is 213320112121. The next prime is 213320112127. The reversal of 213320112123 is 321211023312.

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

It is not a de Polignac number, because 213320112123 - 2¹ = 213320112121 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 213320112123.

It is not an unprimeable number, because it can be changed into a prime (213320112121) 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, 22947808 + ... + 22957101.

It is an arithmetic number, because the mean of its divisors is an integer number (35576305250).

Almost surely, 2^213320112123 is an apocalyptic number.

213320112123 is a deficient number, since it is larger than the sum of its proper divisors (71290329877).

213320112123 is a wasteful number, since it uses less digits than its factorization.

213320112123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45906461.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 213320112123 its reverse (321211023312), we get a palindrome (534531135435).

The spelling of 213320112123 in words is "two hundred thirteen billion, three hundred twenty million, one hundred twelve thousand, one hundred twenty-three".