100223323213213 has 4 divisors (see below), whose sum is σ = 100223473539420. Its totient is φ = 100223172887008.

The previous prime is 100223323213199. The next prime is 100223323213219. The reversal of 100223323213213 is 312312323322001.

It is a happy number.

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 46804795008409 + 53418528204804 = 6841403^2 + 7308798^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100223323213213 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 (100223323213219) 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, 74158570 + ... + 75497947.

It is an arithmetic number, because the mean of its divisors is an integer number (25055868384855).

Almost surely, 2^{100223323213213} is an apocalyptic number.

It is an amenable number.

100223323213213 is a deficient number, since it is larger than the sum of its proper divisors (150326207).

100223323213213 is an equidigital number, since it uses as much as digits as its factorization.

100223323213213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150326206.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 100223323213213 its reverse (312312323322001), we get a palindrome (412535646535214).

The spelling of 100223323213213 in words is "one hundred trillion, two hundred twenty-three billion, three hundred twenty-three million, two hundred thirteen thousand, two hundred thirteen".