213123320032309 has 8 divisors (see below), whose sum is σ = 213973467855840. Its totient is φ = 212273180550000.

The previous prime is 213123320032307. The next prime is 213123320032331. The reversal of 213123320032309 is 903230023321312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213123320032309 - 2¹ = 213123320032307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213123320032307) 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 7 ways as a sum of consecutive naturals, for example, 51899547 + ... + 55855255.

It is an arithmetic number, because the mean of its divisors is an integer number (26746683481980).

Almost surely, 2^{213123320032309} is an apocalyptic number.

It is an amenable number.

213123320032309 is a deficient number, since it is larger than the sum of its proper divisors (850147823531).

213123320032309 is a wasteful number, since it uses less digits than its factorization.

213123320032309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4170611.

The product of its (nonzero) digits is 34992, while the sum is 34.

The spelling of 213123320032309 in words is "two hundred thirteen trillion, one hundred twenty-three billion, three hundred twenty million, thirty-two thousand, three hundred nine".