213023323001 has 2 divisors, whose sum is σ = 213023323002. Its totient is φ = 213023323000.

The previous prime is 213023322989. The next prime is 213023323039. The reversal of 213023323001 is 100323320312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 204597000976 + 8426322025 = 452324^2 + 91795^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213023323001 is a prime.

It is a super-2 number, since 2×213023323001² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (213023325001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106511661500 + 106511661501.

It is an arithmetic number, because the mean of its divisors is an integer number (106511661501).

Almost surely, 2^213023323001 is an apocalyptic number.

It is an amenable number.

213023323001 is a deficient number, since it is larger than the sum of its proper divisors (1).

213023323001 is an equidigital number, since it uses as much as digits as its factorization.

213023323001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 213023323001 its reverse (100323320312), we get a palindrome (313346643313).

The spelling of 213023323001 in words is "two hundred thirteen billion, twenty-three million, three hundred twenty-three thousand, one".