213112020023233 has 4 divisors (see below), whose sum is σ = 216724088159280. Its totient is φ = 209499951887188.

The previous prime is 213112020023159. The next prime is 213112020023311. The reversal of 213112020023233 is 332320020211312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 213112020023233 - 2³³ = 213103430088641 is a prime.

It is a super-3 number, since 3×213112020023233³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213112020023198 and 213112020023207.

It is not an unprimeable number, because it can be changed into a prime (213112020023333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1806034067935 + ... + 1806034068052.

It is an arithmetic number, because the mean of its divisors is an integer number (54181022039820).

Almost surely, 2^{213112020023233} is an apocalyptic number.

It is an amenable number.

213112020023233 is a deficient number, since it is larger than the sum of its proper divisors (3612068136047).

213112020023233 is an equidigital number, since it uses as much as digits as its factorization.

213112020023233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3612068136046.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 213112020023233 its reverse (332320020211312), we get a palindrome (545432040234545).

The spelling of 213112020023233 in words is "two hundred thirteen trillion, one hundred twelve billion, twenty million, twenty-three thousand, two hundred thirty-three".