23203034321 has 4 divisors (see below), whose sum is σ = 23203990452. Its totient is φ = 23202078192.

The previous prime is 23203034303. The next prime is 23203034333. The reversal of 23203034321 is 12343030232.

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 20323638721 + 2879395600 = 142561^2 + 53660^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23203034321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23203034381) 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, 440690 + ... + 490523.

It is an arithmetic number, because the mean of its divisors is an integer number (5800997613).

Almost surely, 2^23203034321 is an apocalyptic number.

It is an amenable number.

23203034321 is a deficient number, since it is larger than the sum of its proper divisors (956131).

23203034321 is an equidigital number, since it uses as much as digits as its factorization.

23203034321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956130.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 23203034321 its reverse (12343030232), we get a palindrome (35546064553).

The spelling of 23203034321 in words is "twenty-three billion, two hundred three million, thirty-four thousand, three hundred twenty-one".