340421233023323 has 4 divisors (see below), whose sum is σ = 340423851717768. Its totient is φ = 340418614328880.

The previous prime is 340421233023317. The next prime is 340421233023379. The reversal of 340421233023323 is 323320332124043.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 340421233023323 - 2⁶ = 340421233023259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340421233025323) 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, 1309152218 + ... + 1309412223.

It is an arithmetic number, because the mean of its divisors is an integer number (85105962929442).

Almost surely, 2^{340421233023323} is an apocalyptic number.

340421233023323 is a deficient number, since it is larger than the sum of its proper divisors (2618694445).

340421233023323 is a wasteful number, since it uses less digits than its factorization.

340421233023323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2618694444.

The product of its (nonzero) digits is 186624, while the sum is 35.

Adding to 340421233023323 its reverse (323320332124043), we get a palindrome (663741565147366).

The spelling of 340421233023323 in words is "three hundred forty trillion, four hundred twenty-one billion, two hundred thirty-three million, twenty-three thousand, three hundred twenty-three".