213215032023353 has 4 divisors (see below), whose sum is σ = 213221791987428. Its totient is φ = 213208272059280.

The previous prime is 213215032023239. The next prime is 213215032023361. The reversal of 213215032023353 is 353320230512312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3507185071504 + 209707846951849 = 1872748^2 + 14481293^2 .

It is a cyclic number.

It is not a de Polignac number, because 213215032023353 - 2¹² = 213215032019257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213215032023373) 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, 3379934726 + ... + 3379997807.

It is an arithmetic number, because the mean of its divisors is an integer number (53305447996857).

Almost surely, 2^{213215032023353} is an apocalyptic number.

It is an amenable number.

213215032023353 is a deficient number, since it is larger than the sum of its proper divisors (6759964075).

213215032023353 is an equidigital number, since it uses as much as digits as its factorization.

213215032023353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6759964074.

The product of its (nonzero) digits is 97200, while the sum is 35.

Adding to 213215032023353 its reverse (353320230512312), we get a palindrome (566535262535665).

The spelling of 213215032023353 in words is "two hundred thirteen trillion, two hundred fifteen billion, thirty-two million, twenty-three thousand, three hundred fifty-three".