2343143121 has 16 divisors (see below), whose sum is σ = 3409759488. Its totient is φ = 1419440400.

The previous prime is 2343143119. The next prime is 2343143129. The reversal of 2343143121 is 1213413432.

It is a happy number.

It is not a de Polignac number, because 2343143121 - 2¹ = 2343143119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2343143091 and 2343143100.

It is not an unprimeable number, because it can be changed into a prime (2343143129) 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, 63270 + ... + 93216.

It is an arithmetic number, because the mean of its divisors is an integer number (213109968).

Almost surely, 2^2343143121 is an apocalyptic number.

It is an amenable number.

2343143121 is a deficient number, since it is larger than the sum of its proper divisors (1066616367).

2343143121 is a wasteful number, since it uses less digits than its factorization.

2343143121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32332.

The product of its digits is 1728, while the sum is 24.

The square root of 2343143121 is about 48406.0236024402. The cubic root of 2343143121 is about 1328.2085517733.

Adding to 2343143121 its reverse (1213413432), we get a palindrome (3556556553).

The spelling of 2343143121 in words is "two billion, three hundred forty-three million, one hundred forty-three thousand, one hundred twenty-one".