423255205433 has 4 divisors (see below), whose sum is σ = 423297964068. Its totient is φ = 423212446800.

The previous prime is 423255205397. The next prime is 423255205489. The reversal of 423255205433 is 334502552324.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 414925357609 + 8329847824 = 644147^2 + 91268^2 .

It is a cyclic number.

It is not a de Polignac number, because 423255205433 - 2²⁸ = 422986769977 is a prime.

It is a super-2 number, since 2×423255205433² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423255205733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21364466 + ... + 21384267.

It is an arithmetic number, because the mean of its divisors is an integer number (105824491017).

Almost surely, 2^423255205433 is an apocalyptic number.

It is an amenable number.

423255205433 is a deficient number, since it is larger than the sum of its proper divisors (42758635).

423255205433 is an equidigital number, since it uses as much as digits as its factorization.

423255205433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42758634.

The product of its (nonzero) digits is 432000, while the sum is 38.

Adding to 423255205433 its reverse (334502552324), we get a palindrome (757757757757).

The spelling of 423255205433 in words is "four hundred twenty-three billion, two hundred fifty-five million, two hundred five thousand, four hundred thirty-three".