2340742291423 has 2 divisors, whose sum is σ = 2340742291424. Its totient is φ = 2340742291422.

The previous prime is 2340742291421. The next prime is 2340742291427. The reversal of 2340742291423 is 3241922470432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2340742291423 - 2¹ = 2340742291421 is a prime.

Together with 2340742291421, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2340742291423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2340742291421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1170371145711 + 1170371145712.

It is an arithmetic number, because the mean of its divisors is an integer number (1170371145712).

Almost surely, 2^{2340742291423} is an apocalyptic number.

2340742291423 is a deficient number, since it is larger than the sum of its proper divisors (1).

2340742291423 is an equidigital number, since it uses as much as digits as its factorization.

2340742291423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 43.

The spelling of 2340742291423 in words is "two trillion, three hundred forty billion, seven hundred forty-two million, two hundred ninety-one thousand, four hundred twenty-three".