423252433 has 4 divisors (see below), whose sum is σ = 423308340. Its totient is φ = 423196528.

The previous prime is 423252413. The next prime is 423252443. The reversal of 423252433 is 334252324.

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 240002064 + 183250369 = 15492^2 + 13537^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423252433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423252413) 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, 14410 + ... + 32467.

It is an arithmetic number, because the mean of its divisors is an integer number (105827085).

Almost surely, 2^423252433 is an apocalyptic number.

It is an amenable number.

423252433 is a deficient number, since it is larger than the sum of its proper divisors (55907).

423252433 is an equidigital number, since it uses as much as digits as its factorization.

423252433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55906.

The product of its digits is 17280, while the sum is 28.

The square root of 423252433 is about 20573.0997421390. The cubic root of 423252433 is about 750.8153698341.

It can be divided in two parts, 4232 and 52433, that added together give a palindrome (56665).

The spelling of 423252433 in words is "four hundred twenty-three million, two hundred fifty-two thousand, four hundred thirty-three".