73432400323 has 2 divisors, whose sum is σ = 73432400324. Its totient is φ = 73432400322.

The previous prime is 73432400291. The next prime is 73432400333. The reversal of 73432400323 is 32300423437.

It is a strong prime.

It is an emirp because it is prime and its reverse (32300423437) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73432400323 - 2⁵ = 73432400291 is a prime.

It is not a weakly prime, because it can be changed into another prime (73432400333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36716200161 + 36716200162.

It is an arithmetic number, because the mean of its divisors is an integer number (36716200162).

Almost surely, 2^73432400323 is an apocalyptic number.

73432400323 is a deficient number, since it is larger than the sum of its proper divisors (1).

73432400323 is an equidigital number, since it uses as much as digits as its factorization.

73432400323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 31.

The spelling of 73432400323 in words is "seventy-three billion, four hundred thirty-two million, four hundred thousand, three hundred twenty-three".