23202254321 has 4 divisors (see below), whose sum is σ = 23336371572. Its totient is φ = 23068137072.

The previous prime is 23202254297. The next prime is 23202254323. The reversal of 23202254321 is 12345220232.

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 20869847296 + 2332407025 = 144464^2 + 48295^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23202254321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23202254323) 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, 67058366 + ... + 67058711.

It is an arithmetic number, because the mean of its divisors is an integer number (5834092893).

Almost surely, 2^23202254321 is an apocalyptic number.

It is an amenable number.

23202254321 is a deficient number, since it is larger than the sum of its proper divisors (134117251).

23202254321 is a wasteful number, since it uses less digits than its factorization.

23202254321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134117250.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 23202254321 its reverse (12345220232), we get a palindrome (35547474553).

The spelling of 23202254321 in words is "twenty-three billion, two hundred two million, two hundred fifty-four thousand, three hundred twenty-one".