434402423 has 16 divisors (see below), whose sum is σ = 535180800. Its totient is φ = 343361376.

The previous prime is 434402407. The next prime is 434402443. The reversal of 434402423 is 324204434.

It is a cyclic number.

It is not a de Polignac number, because 434402423 - 2⁴ = 434402407 is a prime.

It is a super-3 number, since 3×434402423³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 434402392 and 434402401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434402443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130028 + ... + 133326.

It is an arithmetic number, because the mean of its divisors is an integer number (33448800).

Almost surely, 2^434402423 is an apocalyptic number.

434402423 is a deficient number, since it is larger than the sum of its proper divisors (100778377).

434402423 is a wasteful number, since it uses less digits than its factorization.

434402423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4766.

The product of its (nonzero) digits is 9216, while the sum is 26.

The square root of 434402423 is about 20842.3228791802. The cubic root of 434402423 is about 757.3513658713.

Adding to 434402423 its reverse (324204434), we get a palindrome (758606857).

The spelling of 434402423 in words is "four hundred thirty-four million, four hundred two thousand, four hundred twenty-three".