2123021230 has 48 divisors (see below), whose sum is σ = 4222652112. Its totient is φ = 767923200.

The previous prime is 2123021213. The next prime is 2123021237. The reversal of 2123021230 is 321203212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123021237) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 228985 + ... + 238075.

It is an arithmetic number, because the mean of its divisors is an integer number (87971919).

Almost surely, 2^2123021230 is an apocalyptic number.

2123021230 is a deficient number, since it is larger than the sum of its proper divisors (2099630882).

2123021230 is a wasteful number, since it uses less digits than its factorization.

2123021230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9313 (or 9302 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2123021230 is about 46076.2545135778. The cubic root of 2123021230 is about 1285.2416145468.

Adding to 2123021230 its reverse (321203212), we get a palindrome (2444224442).

The spelling of 2123021230 in words is "two billion, one hundred twenty-three million, twenty-one thousand, two hundred thirty".