340344134023 has 16 divisors (see below), whose sum is σ = 360372812800. Its totient is φ = 320918552640.

The previous prime is 340344133973. The next prime is 340344134027. The reversal of 340344134023 is 320431443043.

It is a cyclic number.

It is not a de Polignac number, because 340344134023 - 2¹⁷ = 340344002951 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340344134027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233068 + ... + 857326.

It is an arithmetic number, because the mean of its divisors is an integer number (22523300800).

Almost surely, 2^340344134023 is an apocalyptic number.

340344134023 is a deficient number, since it is larger than the sum of its proper divisors (20028678777).

340344134023 is a wasteful number, since it uses less digits than its factorization.

340344134023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624742.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 340344134023 its reverse (320431443043), we get a palindrome (660775577066).

The spelling of 340344134023 in words is "three hundred forty billion, three hundred forty-four million, one hundred thirty-four thousand, twenty-three".