340043445123 has 8 divisors (see below), whose sum is σ = 453504256848. Its totient is φ = 226639131744.

The previous prime is 340043445107. The next prime is 340043445143. The reversal of 340043445123 is 321544340043.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 340043445123 - 2⁴ = 340043445107 is a prime.

It is a super-2 number, since 2×340043445123² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (340043445143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14110540 + ... + 14134617.

It is an arithmetic number, because the mean of its divisors is an integer number (56688032106).

Almost surely, 2^340043445123 is an apocalyptic number.

340043445123 is a deficient number, since it is larger than the sum of its proper divisors (113460811725).

340043445123 is a wasteful number, since it uses less digits than its factorization.

340043445123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28249173.

The product of its (nonzero) digits is 69120, while the sum is 33.

Adding to 340043445123 its reverse (321544340043), we get a palindrome (661587785166).

The spelling of 340043445123 in words is "three hundred forty billion, forty-three million, four hundred forty-five thousand, one hundred twenty-three".