23203212101 has 4 divisors (see below), whose sum is σ = 23253985452. Its totient is φ = 23152438752.

The previous prime is 23203212031. The next prime is 23203212143. The reversal of 23203212101 is 10121230232.

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 9367336225 + 13835875876 = 96785^2 + 117626^2 .

It is a cyclic number.

It is not a de Polignac number, because 23203212101 - 2¹⁰ = 23203211077 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23203212101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23203212001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25385990 + ... + 25386903.

It is an arithmetic number, because the mean of its divisors is an integer number (5813496363).

Almost surely, 2^23203212101 is an apocalyptic number.

It is an amenable number.

23203212101 is a deficient number, since it is larger than the sum of its proper divisors (50773351).

23203212101 is an equidigital number, since it uses as much as digits as its factorization.

23203212101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50773350.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 23203212101 its reverse (10121230232), we get a palindrome (33324442333).

The spelling of 23203212101 in words is "twenty-three billion, two hundred three million, two hundred twelve thousand, one hundred one".