340333423 has 4 divisors (see below), whose sum is σ = 340372368. Its totient is φ = 340294480.

The previous prime is 340333403. The next prime is 340333429. The reversal of 340333423 is 324333043.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 340333423 - 2⁵ = 340333391 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 (340333429) 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, 390 + ... + 26092.

It is an arithmetic number, because the mean of its divisors is an integer number (85093092).

Almost surely, 2^340333423 is an apocalyptic number.

340333423 is a deficient number, since it is larger than the sum of its proper divisors (38945).

340333423 is a wasteful number, since it uses less digits than its factorization.

340333423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38944.

The product of its (nonzero) digits is 7776, while the sum is 25.

The square root of 340333423 is about 18448.1278996000. The cubic root of 340333423 is about 698.1812807910.

Adding to 340333423 its reverse (324333043), we get a palindrome (664666466).

The spelling of 340333423 in words is "three hundred forty million, three hundred thirty-three thousand, four hundred twenty-three".