44323123619 has 2 divisors, whose sum is σ = 44323123620. Its totient is φ = 44323123618.

The previous prime is 44323123517. The next prime is 44323123633. The reversal of 44323123619 is 91632132344.

44323123619 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44323123619 is a prime.

It is a super-2 number, since 2×44323123619² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (44323123679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22161561809 + 22161561810.

It is an arithmetic number, because the mean of its divisors is an integer number (22161561810).

Almost surely, 2^44323123619 is an apocalyptic number.

44323123619 is a deficient number, since it is larger than the sum of its proper divisors (1).

44323123619 is an equidigital number, since it uses as much as digits as its factorization.

44323123619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 38.

The spelling of 44323123619 in words is "forty-four billion, three hundred twenty-three million, one hundred twenty-three thousand, six hundred nineteen".