423044535 has 16 divisors (see below), whose sum is σ = 692613504. Its totient is φ = 220376352.

The previous prime is 423044533. The next prime is 423044537. The reversal of 423044535 is 535440324.

It is an interprime number because it is at equal distance from previous prime (423044533) and next prime (423044537).

It is not a de Polignac number, because 423044535 - 2¹ = 423044533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423044533) 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, 327297 + ... + 328586.

It is an arithmetic number, because the mean of its divisors is an integer number (43288344).

Almost surely, 2^423044535 is an apocalyptic number.

423044535 is a deficient number, since it is larger than the sum of its proper divisors (269568969).

423044535 is a wasteful number, since it uses less digits than its factorization.

423044535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655934.

The product of its (nonzero) digits is 28800, while the sum is 30.

The square root of 423044535 is about 20568.0464556068. The cubic root of 423044535 is about 750.6924183235.

Adding to 423044535 its reverse (535440324), we get a palindrome (958484859).

The spelling of 423044535 in words is "four hundred twenty-three million, forty-four thousand, five hundred thirty-five".