23203203101 has 4 divisors (see below), whose sum is σ = 24988064892. Its totient is φ = 21418341312.

The previous prime is 23203203073. The next prime is 23203203169. The reversal of 23203203101 is 10130230232.

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 15556575076 + 7646628025 = 124726^2 + 87445^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23203203101 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 23203203101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23203203181) 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, 892430876 + ... + 892430901.

It is an arithmetic number, because the mean of its divisors is an integer number (6247016223).

Almost surely, 2^23203203101 is an apocalyptic number.

It is an amenable number.

23203203101 is a deficient number, since it is larger than the sum of its proper divisors (1784861791).

23203203101 is a wasteful number, since it uses less digits than its factorization.

23203203101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1784861790.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 23203203101 its reverse (10130230232), we get a palindrome (33333433333).

The spelling of 23203203101 in words is "twenty-three billion, two hundred three million, two hundred three thousand, one hundred one".