340423111 has 8 divisors (see below), whose sum is σ = 389166624. Its totient is φ = 291707520.

The previous prime is 340423099. The next prime is 340423117. The reversal of 340423111 is 111324043.

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

It is a cyclic number.

It is not a de Polignac number, because 340423111 - 2⁷ = 340422983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340423117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43731 + ... + 50923.

It is an arithmetic number, because the mean of its divisors is an integer number (48645828).

Almost surely, 2^340423111 is an apocalyptic number.

340423111 is a deficient number, since it is larger than the sum of its proper divisors (48743513).

340423111 is an equidigital number, since it uses as much as digits as its factorization.

340423111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13961.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 340423111 is about 18450.5585552308. The cubic root of 340423111 is about 698.2426059295.

Adding to 340423111 its reverse (111324043), we get a palindrome (451747154).

The spelling of 340423111 in words is "three hundred forty million, four hundred twenty-three thousand, one hundred eleven".