213320001023 has 4 divisors (see below), whose sum is σ = 214048055928. Its totient is φ = 212591946120.

The previous prime is 213320001007. The next prime is 213320001031. The reversal of 213320001023 is 320100023312.

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 213320001023 - 2⁴ = 213320001007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213320000992 and 213320001010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213320001043) 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, 364027013 + ... + 364027598.

It is an arithmetic number, because the mean of its divisors is an integer number (53512013982).

Almost surely, 2^213320001023 is an apocalyptic number.

213320001023 is a deficient number, since it is larger than the sum of its proper divisors (728054905).

213320001023 is an equidigital number, since it uses as much as digits as its factorization.

213320001023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728054904.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 213320001023 its reverse (320100023312), we get a palindrome (533420024335).

The spelling of 213320001023 in words is "two hundred thirteen billion, three hundred twenty million, one thousand, twenty-three".