213230011223 has 4 divisors (see below), whose sum is σ = 214334830128. Its totient is φ = 212125192320.

The previous prime is 213230011177. The next prime is 213230011231. The reversal of 213230011223 is 322110032312.

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 213230011223 - 2⁸ = 213230010967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213230011195 and 213230011204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213230011243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 552409163 + ... + 552409548.

It is an arithmetic number, because the mean of its divisors is an integer number (53583707532).

Almost surely, 2^213230011223 is an apocalyptic number.

213230011223 is a deficient number, since it is larger than the sum of its proper divisors (1104818905).

213230011223 is a wasteful number, since it uses less digits than its factorization.

213230011223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104818904.

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

Adding to 213230011223 its reverse (322110032312), we get a palindrome (535340043535).

The spelling of 213230011223 in words is "two hundred thirteen billion, two hundred thirty million, eleven thousand, two hundred twenty-three".