404423223421100 has 144 divisors (see below), whose sum is σ = 952722747674880. Its totient is φ = 148126822502400.

The previous prime is 404423223421057. The next prime is 404423223421111. The reversal of 404423223421100 is 1124322324404.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 78979616 + ... + 83944184.

Almost surely, 2^{404423223421100} 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 404423223421100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (476361373837440).

404423223421100 is an abundant number, since it is smaller than the sum of its proper divisors (548299524253780).

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

404423223421100 is a wasteful number, since it uses less digits than its factorization.

404423223421100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4965100 (or 4965093 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 404423223421100 its reverse (1124322324404), we get a palindrome (405547545745504).

The spelling of 404423223421100 in words is "four hundred four trillion, four hundred twenty-three billion, two hundred twenty-three million, four hundred twenty-one thousand, one hundred".