340221123244423 has 4 divisors (see below), whose sum is σ = 340227158051200. Its totient is φ = 340215088437648.

The previous prime is 340221123244421. The next prime is 340221123244427. The reversal of 340221123244423 is 324442321122043.

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 340221123244423 - 2¹ = 340221123244421 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 (340221123244421) 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, 3017318823 + ... + 3017431576.

It is an arithmetic number, because the mean of its divisors is an integer number (85056789512800).

Almost surely, 2^{340221123244423} is an apocalyptic number.

340221123244423 is a deficient number, since it is larger than the sum of its proper divisors (6034806777).

340221123244423 is an equidigital number, since it uses as much as digits as its factorization.

340221123244423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6034806776.

The product of its (nonzero) digits is 221184, while the sum is 37.

Adding to 340221123244423 its reverse (324442321122043), we get a palindrome (664663444366466).

The spelling of 340221123244423 in words is "three hundred forty trillion, two hundred twenty-one billion, one hundred twenty-three million, two hundred forty-four thousand, four hundred twenty-three".