213232001211223 has 4 divisors (see below), whose sum is σ = 222502957785648. Its totient is φ = 203961044636800.

The previous prime is 213232001211143. The next prime is 213232001211293. The reversal of 213232001211223 is 322112100232312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213232001211223 - 2²⁹ = 213231464340311 is a prime.

It is a super-2 number, since 2×213232001211223² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213232001211293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4635478287178 + ... + 4635478287223.

It is an arithmetic number, because the mean of its divisors is an integer number (55625739446412).

Almost surely, 2^{213232001211223} is an apocalyptic number.

213232001211223 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

213232001211223 is a deficient number, since it is larger than the sum of its proper divisors (9270956574425).

213232001211223 is an equidigital number, since it uses as much as digits as its factorization.

213232001211223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9270956574424.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 213232001211223 its reverse (322112100232312), we get a palindrome (535344101443535).

The spelling of 213232001211223 in words is "two hundred thirteen trillion, two hundred thirty-two billion, one million, two hundred eleven thousand, two hundred twenty-three".