3123234221 has 16 divisors (see below), whose sum is σ = 3296122368. Its totient is φ = 2955441600.

The previous prime is 3123234209. The next prime is 3123234241. The reversal of 3123234221 is 1224323213.

3123234221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3123234221 - 2¹⁸ = 3122972077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123234241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 322370 + ... + 331916.

It is an arithmetic number, because the mean of its divisors is an integer number (206007648).

Almost surely, 2^3123234221 is an apocalyptic number.

3123234221 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3123234221 is a deficient number, since it is larger than the sum of its proper divisors (172888147).

3123234221 is a wasteful number, since it uses less digits than its factorization.

3123234221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9812.

The product of its digits is 1728, while the sum is 23.

The square root of 3123234221 is about 55885.9035983136. The cubic root of 3123234221 is about 1461.7334482048.

Adding to 3123234221 its reverse (1224323213), we get a palindrome (4347557434).

The spelling of 3123234221 in words is "three billion, one hundred twenty-three million, two hundred thirty-four thousand, two hundred twenty-one".