2123312230 has 32 divisors (see below), whose sum is σ = 4168080000. Its totient is φ = 774064512.

The previous prime is 2123312221. The next prime is 2123312281. The reversal of 2123312230 is 322133212.

It is a junction number, because it is equal to n+sod(n) for n = 2123312198 and 2123312207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93105 + ... + 113644.

It is an arithmetic number, because the mean of its divisors is an integer number (130252500).

Almost surely, 2^2123312230 is an apocalyptic number.

2123312230 is a deficient number, since it is larger than the sum of its proper divisors (2044767770).

2123312230 is a wasteful number, since it uses less digits than its factorization.

2123312230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206848.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2123312230 is about 46079.4122141331. The cubic root of 2123312230 is about 1285.3003340449.

Adding to 2123312230 its reverse (322133212), we get a palindrome (2445445442).

The spelling of 2123312230 in words is "two billion, one hundred twenty-three million, three hundred twelve thousand, two hundred thirty".