72318104445143 has 2 divisors, whose sum is σ = 72318104445144. Its totient is φ = 72318104445142.

The previous prime is 72318104445121. The next prime is 72318104445149. The reversal of 72318104445143 is 34154440181327.

It is a strong prime.

It is an emirp because it is prime and its reverse (34154440181327) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72318104445143 - 2⁶ = 72318104445079 is a prime.

It is a super-2 number, since 2×72318104445143² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72318104445149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36159052222571 + 36159052222572.

It is an arithmetic number, because the mean of its divisors is an integer number (36159052222572).

Almost surely, 2^{72318104445143} is an apocalyptic number.

72318104445143 is a deficient number, since it is larger than the sum of its proper divisors (1).

72318104445143 is an equidigital number, since it uses as much as digits as its factorization.

72318104445143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1290240, while the sum is 47.

The spelling of 72318104445143 in words is "seventy-two trillion, three hundred eighteen billion, one hundred four million, four hundred forty-five thousand, one hundred forty-three".