423425100 has 144 divisors (see below), whose sum is σ = 1409854208. Its totient is φ = 96111360.

The previous prime is 423425047. The next prime is 423425113. The reversal of 423425100 is 1524324.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 341682 + ... + 342918.

Almost surely, 2^423425100 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 423425100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (704927104).

423425100 is an abundant number, since it is smaller than the sum of its proper divisors (986429108).

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

423425100 is a wasteful number, since it uses less digits than its factorization.

423425100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424 (or 1417 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 423425100 is about 20577.2957406944. The cubic root of 423425100 is about 750.9174550219.

Adding to 423425100 its reverse (1524324), we get a palindrome (424949424).

The spelling of 423425100 in words is "four hundred twenty-three million, four hundred twenty-five thousand, one hundred".