44216135423 has 2 divisors, whose sum is σ = 44216135424. Its totient is φ = 44216135422.

The previous prime is 44216135413. The next prime is 44216135473. The reversal of 44216135423 is 32453161244.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44216135423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44216135413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22108067711 + 22108067712.

It is an arithmetic number, because the mean of its divisors is an integer number (22108067712).

Almost surely, 2^44216135423 is an apocalyptic number.

44216135423 is a deficient number, since it is larger than the sum of its proper divisors (1).

44216135423 is an equidigital number, since it uses as much as digits as its factorization.

44216135423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 35.

Adding to 44216135423 its reverse (32453161244), we get a palindrome (76669296667).

The spelling of 44216135423 in words is "forty-four billion, two hundred sixteen million, one hundred thirty-five thousand, four hundred twenty-three".