303434423 has 4 divisors (see below), whose sum is σ = 316627248. Its totient is φ = 290241600.

The previous prime is 303434347. The next prime is 303434429. The reversal of 303434423 is 324434303.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324434303 = 757 ⋅428579.

It is not a de Polignac number, because 303434423 - 2¹⁸ = 303172279 is a prime.

It is a super-2 number, since 2×303434423² = 184144898122685858, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 303434392 and 303434401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303434429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6596378 + ... + 6596423.

It is an arithmetic number, because the mean of its divisors is an integer number (79156812).

Almost surely, 2^303434423 is an apocalyptic number.

303434423 is a deficient number, since it is larger than the sum of its proper divisors (13192825).

303434423 is a wasteful number, since it uses less digits than its factorization.

303434423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13192824.

The product of its (nonzero) digits is 10368, while the sum is 26.

The square root of 303434423 is about 17419.3691906452. The cubic root of 303434423 is about 671.9778365411.

Adding to 303434423 its reverse (324434303), we get a palindrome (627868726).

The spelling of 303434423 in words is "three hundred three million, four hundred thirty-four thousand, four hundred twenty-three".