404123148 has 192 divisors, whose sum is σ = 1246371840. Its totient is φ = 111628800.

The previous prime is 404123147. The next prime is 404123171. The reversal of 404123148 is 841321404.

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

It is not an unprimeable number, because it can be changed into a prime (404123147) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2115733 + ... + 2115923.

It is an arithmetic number, because the mean of its divisors is an integer number (6491520).

Almost surely, 2^404123148 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 404123148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (623185920).

404123148 is an abundant number, since it is smaller than the sum of its proper divisors (842248692).

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

404123148 is a wasteful number, since it uses less digits than its factorization.

404123148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365 (or 357 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 404123148 is about 20102.8144298255. The cubic root of 404123148 is about 739.3292851327.

The spelling of 404123148 in words is "four hundred four million, one hundred twenty-three thousand, one hundred forty-eight".