23431230202 has 8 divisors (see below), whose sum is σ = 35151225300. Its totient is φ = 11714155104.

The previous prime is 23431230187. The next prime is 23431230209. The reversal of 23431230202 is 20203213432.

It can be written as a sum of positive squares in 2 ways, for example, as 18588322921 + 4842907281 = 136339^2 + 69591^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (23431230209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 709827 + ... + 742102.

Almost surely, 2^23431230202 is an apocalyptic number.

23431230202 is a deficient number, since it is larger than the sum of its proper divisors (11719995098).

23431230202 is a wasteful number, since it uses less digits than its factorization.

23431230202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1460000.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 23431230202 its reverse (20203213432), we get a palindrome (43634443634).

The spelling of 23431230202 in words is "twenty-three billion, four hundred thirty-one million, two hundred thirty thousand, two hundred two".