213323001 has 4 divisors (see below), whose sum is σ = 284430672. Its totient is φ = 142215332.

The previous prime is 213322981. The next prime is 213323029. The reversal of 213323001 is 100323312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 213323001 - 2⁵ = 213322969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213323401) 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, 35553831 + ... + 35553836.

It is an arithmetic number, because the mean of its divisors is an integer number (71107668).

Almost surely, 2^213323001 is an apocalyptic number.

It is an amenable number.

213323001 is a deficient number, since it is larger than the sum of its proper divisors (71107671).

213323001 is an equidigital number, since it uses as much as digits as its factorization.

213323001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71107670.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 213323001 is about 14605.5811592692. The cubic root of 213323001 is about 597.5109861836.

Adding to 213323001 its reverse (100323312), we get a palindrome (313646313).

The spelling of 213323001 in words is "two hundred thirteen million, three hundred twenty-three thousand, one".