340433111 has 4 divisors (see below), whose sum is σ = 340556112. Its totient is φ = 340310112.

The previous prime is 340433083. The next prime is 340433167. The reversal of 340433111 is 111334043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111334043 = 4421 ⋅25183.

It is a cyclic number.

It is not a de Polignac number, because 340433111 - 2⁶ = 340433047 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 (340433011) 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, 57251 + ... + 62916.

It is an arithmetic number, because the mean of its divisors is an integer number (85139028).

Almost surely, 2^340433111 is an apocalyptic number.

340433111 is a deficient number, since it is larger than the sum of its proper divisors (123001).

340433111 is a wasteful number, since it uses less digits than its factorization.

340433111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123000.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 340433111 is about 18450.8295477466. The cubic root of 340433111 is about 698.2494428700.

Adding to 340433111 its reverse (111334043), we get a palindrome (451767154).

The spelling of 340433111 in words is "three hundred forty million, four hundred thirty-three thousand, one hundred eleven".