2123023230 has 64 divisors (see below), whose sum is σ = 5739001920. Its totient is φ = 558379008.

The previous prime is 2123023187. The next prime is 2123023247. The reversal of 2123023230 is 323203212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 31 ways as a sum of consecutive naturals, for example, 34147 + ... + 73566.

It is an arithmetic number, because the mean of its divisors is an integer number (89671905).

Almost surely, 2^2123023230 is an apocalyptic number.

2123023230 is an abundant number, since it is smaller than the sum of its proper divisors (3615978690).

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

2123023230 is a wasteful number, since it uses less digits than its factorization.

2123023230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107802 (or 107796 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 2123023230 is about 46076.2762167257. The cubic root of 2123023230 is about 1285.2420181356.

Adding to 2123023230 its reverse (323203212), we get a palindrome (2446226442).

The spelling of 2123023230 in words is "two billion, one hundred twenty-three million, twenty-three thousand, two hundred thirty".