10001323213 has 6 divisors (see below), whose sum is σ = 11634192366. Its totient is φ = 8572562712.

The previous prime is 10001323169. The next prime is 10001323219. The reversal of 10001323213 is 31232310001.

It can be written as a sum of positive squares in only one way, i.e., 6428511684 + 3572811529 = 80178^2 + 59773^2 .

It is not a de Polignac number, because 10001323213 - 2²⁹ = 9464452301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001323219) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 102054270 + ... + 102054367.

It is an arithmetic number, because the mean of its divisors is an integer number (1939032061).

Almost surely, 2^10001323213 is an apocalyptic number.

It is an amenable number.

10001323213 is a deficient number, since it is larger than the sum of its proper divisors (1632869153).

10001323213 is an equidigital number, since it uses as much as digits as its factorization.

10001323213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204108651 (or 204108644 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 10001323213 its reverse (31232310001), we get a palindrome (41233633214).

The spelling of 10001323213 in words is "ten billion, one million, three hundred twenty-three thousand, two hundred thirteen".