72366705672323 has 2 divisors, whose sum is σ = 72366705672324. Its totient is φ = 72366705672322.

The previous prime is 72366705672271. The next prime is 72366705672329. The reversal of 72366705672323 is 32327650766327.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72366705672323 - 2¹⁸ = 72366705410179 is a prime.

It is not a weakly prime, because it can be changed into another prime (72366705672329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36183352836161 + 36183352836162.

It is an arithmetic number, because the mean of its divisors is an integer number (36183352836162).

Almost surely, 2^{72366705672323} is an apocalyptic number.

72366705672323 is a deficient number, since it is larger than the sum of its proper divisors (1).

72366705672323 is an equidigital number, since it uses as much as digits as its factorization.

72366705672323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80015040, while the sum is 59.

The spelling of 72366705672323 in words is "seventy-two trillion, three hundred sixty-six billion, seven hundred five million, six hundred seventy-two thousand, three hundred twenty-three".