213320103023 has 4 divisors (see below), whose sum is σ = 214948500888. Its totient is φ = 211691705160.

The previous prime is 213320103019. The next prime is 213320103037. The reversal of 213320103023 is 320301023312.

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 213320103023 - 2² = 213320103019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213320102986 and 213320103004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213320105023) 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, 814198736 + ... + 814198997.

It is an arithmetic number, because the mean of its divisors is an integer number (53737125222).

Almost surely, 2^213320103023 is an apocalyptic number.

213320103023 is a deficient number, since it is larger than the sum of its proper divisors (1628397865).

213320103023 is a wasteful number, since it uses less digits than its factorization.

213320103023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1628397864.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 213320103023 its reverse (320301023312), we get a palindrome (533621126335).

The spelling of 213320103023 in words is "two hundred thirteen billion, three hundred twenty million, one hundred three thousand, twenty-three".