404123132 has 24 divisors (see below), whose sum is σ = 809088000. Its totient is φ = 173015280.

The previous prime is 404123131. The next prime is 404123147. The reversal of 404123132 is 231321404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404123131) 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, 21869 + ... + 35867.

It is an arithmetic number, because the mean of its divisors is an integer number (33712000).

Almost surely, 2^404123132 is an apocalyptic number.

It is an amenable number.

404123132 is an abundant number, since it is smaller than the sum of its proper divisors (404964868).

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

404123132 is a wasteful number, since it uses less digits than its factorization.

404123132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15041 (or 15039 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 404123132 is about 20102.8140318713. The cubic root of 404123132 is about 739.3292753756.

Adding to 404123132 its reverse (231321404), we get a palindrome (635444536).

The spelling of 404123132 in words is "four hundred four million, one hundred twenty-three thousand, one hundred thirty-two".