213220401323 has 8 divisors (see below), whose sum is σ = 213743553600. Its totient is φ = 212697438408.

The previous prime is 213220401287. The next prime is 213220401341. The reversal of 213220401323 is 323104022312.

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 213220401323 - 2¹⁶ = 213220335787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213220401343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2356208 + ... + 2445026.

It is an arithmetic number, because the mean of its divisors is an integer number (26717944200).

Almost surely, 2^213220401323 is an apocalyptic number.

213220401323 is a deficient number, since it is larger than the sum of its proper divisors (523152277).

213220401323 is an equidigital number, since it uses as much as digits as its factorization.

213220401323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94681.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 213220401323 its reverse (323104022312), we get a palindrome (536324423635).

The spelling of 213220401323 in words is "two hundred thirteen billion, two hundred twenty million, four hundred one thousand, three hundred twenty-three".