423660132 has 60 divisors (see below), whose sum is σ = 1265756800. Its totient is φ = 121045104.

The previous prime is 423660091. The next prime is 423660151. The reversal of 423660132 is 231066324.

423660132 is a `hidden beast` number, since 4 + 23 + 6 + 601 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 423660096 and 423660105.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 91132 + ... + 95667.

Almost surely, 2^423660132 is an apocalyptic number.

423660132 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

423660132 is an abundant number, since it is smaller than the sum of its proper divisors (842096668).

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

423660132 is a wasteful number, since it uses less digits than its factorization.

423660132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186822 (or 186811 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 423660132 is about 20583.0059029288. The cubic root of 423660132 is about 751.0563674186.

The spelling of 423660132 in words is "four hundred twenty-three million, six hundred sixty thousand, one hundred thirty-two".