2340143443453 has 4 divisors (see below), whose sum is σ = 2344795816608. Its totient is φ = 2335491070300.

The previous prime is 2340143443447. The next prime is 2340143443493. The reversal of 2340143443453 is 3543443410432.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2340143443453 - 2⁹ = 2340143442941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2340143443403) 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, 2326185823 + ... + 2326186828.

It is an arithmetic number, because the mean of its divisors is an integer number (586198954152).

Almost surely, 2^{2340143443453} is an apocalyptic number.

It is an amenable number.

2340143443453 is a deficient number, since it is larger than the sum of its proper divisors (4652373155).

2340143443453 is an equidigital number, since it uses as much as digits as its factorization.

2340143443453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4652373154.

The product of its (nonzero) digits is 829440, while the sum is 40.

Adding to 2340143443453 its reverse (3543443410432), we get a palindrome (5883586853885).

The spelling of 2340143443453 in words is "two trillion, three hundred forty billion, one hundred forty-three million, four hundred forty-three thousand, four hundred fifty-three".