20144442343 has 2 divisors, whose sum is σ = 20144442344. Its totient is φ = 20144442342.

The previous prime is 20144442293. The next prime is 20144442391. The reversal of 20144442343 is 34324444102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20144442343 - 2³³ = 11554507751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20144449343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10072221171 + 10072221172.

It is an arithmetic number, because the mean of its divisors is an integer number (10072221172).

Almost surely, 2^20144442343 is an apocalyptic number.

20144442343 is a deficient number, since it is larger than the sum of its proper divisors (1).

20144442343 is an equidigital number, since it uses as much as digits as its factorization.

20144442343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 20144442343 its reverse (34324444102), we get a palindrome (54468886445).

The spelling of 20144442343 in words is "twenty billion, one hundred forty-four million, four hundred forty-two thousand, three hundred forty-three".