4201423121 has 16 divisors (see below), whose sum is σ = 4924320000. Its totient is φ = 3583065024.

The previous prime is 4201423103. The next prime is 4201423151. The reversal of 4201423121 is 1213241024.

It is a de Polignac number, because none of the positive numbers 2^k-4201423121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4201423093 and 4201423102.

It is not an unprimeable number, because it can be changed into a prime (4201423151) 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, 37481 + ... + 99033.

It is an arithmetic number, because the mean of its divisors is an integer number (307770000).

Almost surely, 2^4201423121 is an apocalyptic number.

It is an amenable number.

4201423121 is a deficient number, since it is larger than the sum of its proper divisors (722896879).

4201423121 is an equidigital number, since it uses as much as digits as its factorization.

4201423121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61773 (or 61759 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 4201423121 is about 64818.3856710424. The cubic root of 4201423121 is about 1613.6108559373.

Adding to 4201423121 its reverse (1213241024), we get a palindrome (5414664145).

The spelling of 4201423121 in words is "four billion, two hundred one million, four hundred twenty-three thousand, one hundred twenty-one".