2343140023 has 4 divisors (see below), whose sum is σ = 2677874320. Its totient is φ = 2008405728.

The previous prime is 2343140011. The next prime is 2343140071. The reversal of 2343140023 is 3200413432.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-2343140023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2343139976 and 2343140003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2343140323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167367138 + ... + 167367151.

It is an arithmetic number, because the mean of its divisors is an integer number (669468580).

Almost surely, 2^2343140023 is an apocalyptic number.

2343140023 is a deficient number, since it is larger than the sum of its proper divisors (334734297).

2343140023 is an equidigital number, since it uses as much as digits as its factorization.

2343140023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334734296.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 2343140023 is about 48405.9916022800. The cubic root of 2343140023 is about 1328.2079664068.

Adding to 2343140023 its reverse (3200413432), we get a palindrome (5543553455).

The spelling of 2343140023 in words is "two billion, three hundred forty-three million, one hundred forty thousand, twenty-three".