2100423430 has 16 divisors (see below), whose sum is σ = 4320871200. Its totient is φ = 720145152.

The previous prime is 2100423421. The next prime is 2100423433. The reversal of 2100423430 is 343240012.

It is a junction number, because it is equal to n+sod(n) for n = 2100423398 and 2100423407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100423433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15002955 + ... + 15003094.

It is an arithmetic number, because the mean of its divisors is an integer number (270054450).

Almost surely, 2^2100423430 is an apocalyptic number.

2100423430 is an abundant number, since it is smaller than the sum of its proper divisors (2220447770).

2100423430 is a wasteful number, since it uses less digits than its factorization.

2100423430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30006063.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2100423430 is about 45830.3767167585. The cubic root of 2100423430 is about 1280.6652283519.

Adding to 2100423430 its reverse (343240012), we get a palindrome (2443663442).

The spelling of 2100423430 in words is "two billion, one hundred million, four hundred twenty-three thousand, four hundred thirty".