423324073 has 2 divisors, whose sum is σ = 423324074. Its totient is φ = 423324072.

The previous prime is 423324059. The next prime is 423324113. The reversal of 423324073 is 370423324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 385415424 + 37908649 = 19632^2 + 6157^2 .

It is a cyclic number.

It is not a de Polignac number, because 423324073 - 2²¹ = 421226921 is a prime.

It is equal to p_22511935 and since 423324073 and 22511935 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (423324043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211662036 + 211662037.

It is an arithmetic number, because the mean of its divisors is an integer number (211662037).

Almost surely, 2^423324073 is an apocalyptic number.

It is an amenable number.

423324073 is a deficient number, since it is larger than the sum of its proper divisors (1).

423324073 is an equidigital number, since it uses as much as digits as its factorization.

423324073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 28.

The square root of 423324073 is about 20574.8407770267. The cubic root of 423324073 is about 750.8577286208.

Adding to 423324073 its reverse (370423324), we get a palindrome (793747397).

The spelling of 423324073 in words is "four hundred twenty-three million, three hundred twenty-four thousand, seventy-three".