213002120323 has 4 divisors (see below), whose sum is σ = 213007112640. Its totient is φ = 212997128008.

The previous prime is 213002120291. The next prime is 213002120341. The reversal of 213002120323 is 323021200312.

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 213002120323 - 2⁵ = 213002120291 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213002120323.

It is not an unprimeable number, because it can be changed into a prime (213002120363) 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, 2431603 + ... + 2517676.

It is an arithmetic number, because the mean of its divisors is an integer number (53251778160).

Almost surely, 2^213002120323 is an apocalyptic number.

213002120323 is a deficient number, since it is larger than the sum of its proper divisors (4992317).

213002120323 is an equidigital number, since it uses as much as digits as its factorization.

213002120323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4992316.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 213002120323 its reverse (323021200312), we get a palindrome (536023320635).

The spelling of 213002120323 in words is "two hundred thirteen billion, two million, one hundred twenty thousand, three hundred twenty-three".