73144427797823 has 8 divisors (see below), whose sum is σ = 73213925895216. Its totient is φ = 73074930755200.

The previous prime is 73144427797729. The next prime is 73144427797871. The reversal of 73144427797823 is 32879772444137.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73144427797823 - 2¹⁸ = 73144427535679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73144427799823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260240615 + ... + 260521527.

It is an arithmetic number, because the mean of its divisors is an integer number (9151740736902).

Almost surely, 2^{73144427797823} is an apocalyptic number.

73144427797823 is a deficient number, since it is larger than the sum of its proper divisors (69498097393).

73144427797823 is a wasteful number, since it uses less digits than its factorization.

73144427797823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527385.

The product of its digits is 398297088, while the sum is 68.

The spelling of 73144427797823 in words is "seventy-three trillion, one hundred forty-four billion, four hundred twenty-seven million, seven hundred ninety-seven thousand, eight hundred twenty-three".