423523672 has 32 divisors (see below), whose sum is σ = 932939280. Its totient is φ = 177701760.

The previous prime is 423523621. The next prime is 423523673. The reversal of 423523672 is 276325324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423523673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183963 + ... + 186250.

Almost surely, 2^423523672 is an apocalyptic number.

It is an amenable number.

423523672 is an abundant number, since it is smaller than the sum of its proper divisors (509415608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423523672 is a wasteful number, since it uses less digits than its factorization.

423523672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370243 (or 370239 counting only the distinct ones).

The product of its digits is 60480, while the sum is 34.

The square root of 423523672 is about 20579.6907654124. The cubic root of 423523672 is about 750.9757208893.

Adding to 423523672 its reverse (276325324), we get a palindrome (699848996).

The spelling of 423523672 in words is "four hundred twenty-three million, five hundred twenty-three thousand, six hundred seventy-two".