2123204330 has 16 divisors (see below), whose sum is σ = 4115750184. Its totient is φ = 783952320.

The previous prime is 2123204299. The next prime is 2123204333. The reversal of 2123204330 is 334023212.

It can be written as a sum of positive squares in 4 ways, for example, as 1246866721 + 876337609 = 35311^2 + 29603^2 .

It is not an unprimeable number, because it can be changed into a prime (2123204333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8166041 + ... + 8166300.

Almost surely, 2^2123204330 is an apocalyptic number.

2123204330 is a deficient number, since it is larger than the sum of its proper divisors (1992545854).

2123204330 is a wasteful number, since it uses less digits than its factorization.

2123204330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16332361.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 2123204330 is about 46078.2413943935. The cubic root of 2123204330 is about 1285.2785620459.

Adding to 2123204330 its reverse (334023212), we get a palindrome (2457227542).

The spelling of 2123204330 in words is "two billion, one hundred twenty-three million, two hundred four thousand, three hundred thirty".