423504235 has 32 divisors (see below), whose sum is σ = 638913024. Its totient is φ = 263973600.

The previous prime is 423504229. The next prime is 423504247. The reversal of 423504235 is 532405324.

It is not a de Polignac number, because 423504235 - 2²¹ = 421407083 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42040 + ... + 51130.

It is an arithmetic number, because the mean of its divisors is an integer number (19966032).

Almost surely, 2^423504235 is an apocalyptic number.

423504235 is a deficient number, since it is larger than the sum of its proper divisors (215408789).

423504235 is an equidigital number, since it uses as much as digits as its factorization.

423504235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9136 (or 9114 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 423504235 is about 20579.2185225776. The cubic root of 423504235 is about 750.9642324025.

Adding to 423504235 its reverse (532405324), we get a palindrome (955909559).

The spelling of 423504235 in words is "four hundred twenty-three million, five hundred four thousand, two hundred thirty-five".