4231123201 has 4 divisors (see below), whose sum is σ = 4246398292. Its totient is φ = 4215848112.

The previous prime is 4231123199. The next prime is 4231123291. The reversal of 4231123201 is 1023211324.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1644383601 + 2586739600 = 40551^2 + 50860^2 .

It is a cyclic number.

It is not a de Polignac number, because 4231123201 - 2¹ = 4231123199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4231123291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7637130 + ... + 7637683.

It is an arithmetic number, because the mean of its divisors is an integer number (1061599573).

Almost surely, 2^4231123201 is an apocalyptic number.

It is an amenable number.

4231123201 is a deficient number, since it is larger than the sum of its proper divisors (15275091).

4231123201 is a wasteful number, since it uses less digits than its factorization.

4231123201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15275090.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 4231123201 is about 65047.0844926965. The cubic root of 4231123201 is about 1617.4041647690.

Adding to 4231123201 its reverse (1023211324), we get a palindrome (5254334525).

It can be divided in two parts, 4231123 and 201, that added together give a palindrome (4231324).

The spelling of 4231123201 in words is "four billion, two hundred thirty-one million, one hundred twenty-three thousand, two hundred one".