4231400140121 has 16 divisors (see below), whose sum is σ = 5275920199680. Its totient is φ = 3296939704080.

The previous prime is 4231400140091. The next prime is 4231400140181. The reversal of 4231400140121 is 1210410041324.

It is not a de Polignac number, because 4231400140121 - 2¹⁰ = 4231400139097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4231400140181) 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, 1122431 + ... + 3118116.

It is an arithmetic number, because the mean of its divisors is an integer number (329745012480).

Almost surely, 2^{4231400140121} is an apocalyptic number.

It is an amenable number.

4231400140121 is a deficient number, since it is larger than the sum of its proper divisors (1044520059559).

4231400140121 is a wasteful number, since it uses less digits than its factorization.

4231400140121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4253524.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 4231400140121 its reverse (1210410041324), we get a palindrome (5441810181445).

The spelling of 4231400140121 in words is "four trillion, two hundred thirty-one billion, four hundred million, one hundred forty thousand, one hundred twenty-one".