340323111443 has 4 divisors (see below), whose sum is σ = 388940698800. Its totient is φ = 291705524088.

The previous prime is 340323111431. The next prime is 340323111449. The reversal of 340323111443 is 344111323043.

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 340323111443 - 2⁶ = 340323111379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340323111449) 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, 24308793668 + ... + 24308793681.

It is an arithmetic number, because the mean of its divisors is an integer number (97235174700).

Almost surely, 2^340323111443 is an apocalyptic number.

340323111443 is a deficient number, since it is larger than the sum of its proper divisors (48617587357).

340323111443 is an equidigital number, since it uses as much as digits as its factorization.

340323111443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48617587356.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 340323111443 its reverse (344111323043), we get a palindrome (684434434486).

The spelling of 340323111443 in words is "three hundred forty billion, three hundred twenty-three million, one hundred eleven thousand, four hundred forty-three".