23431444144202 has 4 divisors (see below), whose sum is σ = 35147166216306. Its totient is φ = 11715722072100.

The previous prime is 23431444144201. The next prime is 23431444144261. The reversal of 23431444144202 is 20244144413432.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 21253012789801 + 2178431354401 = 4610099^2 + 1475951^2 .

It is not an unprimeable number, because it can be changed into a prime (23431444144201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5857861036049 + ... + 5857861036052.

Almost surely, 2^{23431444144202} is an apocalyptic number.

23431444144202 is a deficient number, since it is larger than the sum of its proper divisors (11715722072104).

23431444144202 is a wasteful number, since it uses less digits than its factorization.

23431444144202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11715722072103.

The product of its (nonzero) digits is 294912, while the sum is 38.

Adding to 23431444144202 its reverse (20244144413432), we get a palindrome (43675588557634).

The spelling of 23431444144202 in words is "twenty-three trillion, four hundred thirty-one billion, four hundred forty-four million, one hundred forty-four thousand, two hundred two".