423040204100 has 36 divisors (see below), whose sum is σ = 966312891600. Its totient is φ = 160309971360.

The previous prime is 423040204063. The next prime is 423040204123. The reversal of 423040204100 is 1402040324.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111324470 + ... + 111328269.

Almost surely, 2^423040204100 is an apocalyptic number.

It is an amenable number.

423040204100 is an abundant number, since it is smaller than the sum of its proper divisors (543272687500).

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

423040204100 is a wasteful number, since it uses less digits than its factorization.

423040204100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222652772 (or 222652765 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 423040204100 its reverse (1402040324), we get a palindrome (424442244424).

It can be divided in two parts, 4 and 23040204100, that multiplied together give a square (92160816400 = 303580²).

The spelling of 423040204100 in words is "four hundred twenty-three billion, forty million, two hundred four thousand, one hundred".