343444140143023 has 4 divisors (see below), whose sum is σ = 343613407833640. Its totient is φ = 343274872452408.

The previous prime is 343444140143021. The next prime is 343444140143029. The reversal of 343444140143023 is 320341041444343.

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 343444140143023 - 2¹ = 343444140143021 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 (343444140143021) 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, 84633842265 + ... + 84633846322.

It is an arithmetic number, because the mean of its divisors is an integer number (85903351958410).

Almost surely, 2^{343444140143023} is an apocalyptic number.

343444140143023 is a deficient number, since it is larger than the sum of its proper divisors (169267690617).

343444140143023 is a wasteful number, since it uses less digits than its factorization.

343444140143023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169267690616.

The product of its (nonzero) digits is 663552, while the sum is 40.

Adding to 343444140143023 its reverse (320341041444343), we get a palindrome (663785181587366).

The spelling of 343444140143023 in words is "three hundred forty-three trillion, four hundred forty-four billion, one hundred forty million, one hundred forty-three thousand, twenty-three".