23203321031 has 24 divisors (see below), whose sum is σ = 26017543440. Its totient is φ = 20521939200.

The previous prime is 23203321021. The next prime is 23203321033. The reversal of 23203321031 is 13012330232.

It is not a de Polignac number, because 23203321031 - 2¹⁴ = 23203304647 is a prime.

It is a super-2 number, since 2×23203321031² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23203320994 and 23203321012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23203321033) 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 23 ways as a sum of consecutive naturals, for example, 5469071 + ... + 5473311.

It is an arithmetic number, because the mean of its divisors is an integer number (1084064310).

Almost surely, 2^23203321031 is an apocalyptic number.

23203321031 is a deficient number, since it is larger than the sum of its proper divisors (2814222409).

23203321031 is a wasteful number, since it uses less digits than its factorization.

23203321031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4607 (or 4564 counting only the distinct ones).

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

Adding to 23203321031 its reverse (13012330232), we get a palindrome (36215651263).

The spelling of 23203321031 in words is "twenty-three billion, two hundred three million, three hundred twenty-one thousand, thirty-one".