423320410100 has 144 divisors (see below), whose sum is σ = 1108905025536. Its totient is φ = 137189808000.

The previous prime is 423320410061. The next prime is 423320410127. The reversal of 423320410100 is 1014023324.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent 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, 706265 + ... + 1159935.

It is an arithmetic number, because the mean of its divisors is an integer number (7700729344).

Almost surely, 2^423320410100 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 423320410100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (554452512768).

423320410100 is an abundant number, since it is smaller than the sum of its proper divisors (685584615436).

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

423320410100 is a wasteful number, since it uses less digits than its factorization.

423320410100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453766 (or 453759 counting only the distinct ones).

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

Adding to 423320410100 its reverse (1014023324), we get a palindrome (424334433424).

The spelling of 423320410100 in words is "four hundred twenty-three billion, three hundred twenty million, four hundred ten thousand, one hundred".