4323124221 has 32 divisors (see below), whose sum is σ = 6454546560. Its totient is φ = 2555476224.

The previous prime is 4323124219. The next prime is 4323124277. The reversal of 4323124221 is 1224213234.

It is a happy number.

It is not a de Polignac number, because 4323124221 - 2¹ = 4323124219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4323124191 and 4323124200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4323124291) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 213106 + ... + 232508.

It is an arithmetic number, because the mean of its divisors is an integer number (201704580).

Almost surely, 2^4323124221 is an apocalyptic number.

It is an amenable number.

4323124221 is a deficient number, since it is larger than the sum of its proper divisors (2131422339).

4323124221 is a wasteful number, since it uses less digits than its factorization.

4323124221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19645.

The product of its digits is 2304, while the sum is 24.

The square root of 4323124221 is about 65750.4693595415. The cubic root of 4323124221 is about 1629.0430883362.

Adding to 4323124221 its reverse (1224213234), we get a palindrome (5547337455).

The spelling of 4323124221 in words is "four billion, three hundred twenty-three million, one hundred twenty-four thousand, two hundred twenty-one".