20441131223 has 2 divisors, whose sum is σ = 20441131224. Its totient is φ = 20441131222.

The previous prime is 20441131181. The next prime is 20441131231. The reversal of 20441131223 is 32213114402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20441131223 - 2⁸ = 20441130967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20441151223) 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 as a sum of consecutive naturals, namely, 10220565611 + 10220565612.

It is an arithmetic number, because the mean of its divisors is an integer number (10220565612).

Almost surely, 2^20441131223 is an apocalyptic number.

20441131223 is a deficient number, since it is larger than the sum of its proper divisors (1).

20441131223 is an equidigital number, since it uses as much as digits as its factorization.

20441131223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 20441131223 its reverse (32213114402), we get a palindrome (52654245625).

The spelling of 20441131223 in words is "twenty billion, four hundred forty-one million, one hundred thirty-one thousand, two hundred twenty-three".