423961932 has 12 divisors (see below), whose sum is σ = 989244536. Its totient is φ = 141320640.

The previous prime is 423961891. The next prime is 423961939. The reversal of 423961932 is 239169324.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (423961939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17665069 + ... + 17665092.

Almost surely, 2^423961932 is an apocalyptic number.

It is an amenable number.

423961932 is an abundant number, since it is smaller than the sum of its proper divisors (565282604).

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

423961932 is a wasteful number, since it uses less digits than its factorization.

423961932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35330168 (or 35330166 counting only the distinct ones).

The product of its digits is 69984, while the sum is 39.

The square root of 423961932 is about 20590.3358884696. The cubic root of 423961932 is about 751.2346667930.

The spelling of 423961932 in words is "four hundred twenty-three million, nine hundred sixty-one thousand, nine hundred thirty-two".