2100123230 has 8 divisors (see below), whose sum is σ = 3780221832. Its totient is φ = 840049288.

The previous prime is 2100123229. The next prime is 2100123253. The reversal of 2100123230 is 323210012.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105006152 + ... + 105006171.

It is an arithmetic number, because the mean of its divisors is an integer number (472527729).

Almost surely, 2^2100123230 is an apocalyptic number.

2100123230 is a deficient number, since it is larger than the sum of its proper divisors (1680098602).

2100123230 is a wasteful number, since it uses less digits than its factorization.

2100123230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210012330.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2100123230 is about 45827.1014793648. The cubic root of 2100123230 is about 1280.6042130326.

Adding to 2100123230 its reverse (323210012), we get a palindrome (2423333242).

The spelling of 2100123230 in words is "two billion, one hundred million, one hundred twenty-three thousand, two hundred thirty".