44121245423 has 2 divisors, whose sum is σ = 44121245424. Its totient is φ = 44121245422.

The previous prime is 44121245419. The next prime is 44121245471. The reversal of 44121245423 is 32454212144.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44121245423 - 2² = 44121245419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44121245423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44121245323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22060622711 + 22060622712.

It is an arithmetic number, because the mean of its divisors is an integer number (22060622712).

Almost surely, 2^44121245423 is an apocalyptic number.

44121245423 is a deficient number, since it is larger than the sum of its proper divisors (1).

44121245423 is an equidigital number, since it uses as much as digits as its factorization.

44121245423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30720, while the sum is 32.

Adding to 44121245423 its reverse (32454212144), we get a palindrome (76575457567).

The spelling of 44121245423 in words is "forty-four billion, one hundred twenty-one million, two hundred forty-five thousand, four hundred twenty-three".