423281535 has 32 divisors (see below), whose sum is σ = 731082240. Its totient is φ = 208483968.

The previous prime is 423281531. The next prime is 423281543. The reversal of 423281535 is 535182324.

It is not a de Polignac number, because 423281535 - 2² = 423281531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 423281496 and 423281505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423281531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11149 + ... + 31158.

It is equal to the Eulerian number A(13, 4).

It is an arithmetic number, because the mean of its divisors is an integer number (22846320).

Almost surely, 2^423281535 is an apocalyptic number.

423281535 is a deficient number, since it is larger than the sum of its proper divisors (307800705).

423281535 is a wasteful number, since it uses less digits than its factorization.

423281535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42367.

The product of its digits is 28800, while the sum is 33.

The square root of 423281535 is about 20573.8070128015. The cubic root of 423281535 is about 750.8325776329.

The spelling of 423281535 in words is "four hundred twenty-three million, two hundred eighty-one thousand, five hundred thirty-five".