340240233 has 4 divisors (see below), whose sum is σ = 453653648. Its totient is φ = 226826820.

The previous prime is 340240223. The next prime is 340240237. The reversal of 340240233 is 332042043.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 340240233 - 2⁴ = 340240217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340240237) 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, 56706703 + ... + 56706708.

It is an arithmetic number, because the mean of its divisors is an integer number (113413412).

Almost surely, 2^340240233 is an apocalyptic number.

It is an amenable number.

340240233 is a deficient number, since it is larger than the sum of its proper divisors (113413415).

340240233 is a wasteful number, since it uses less digits than its factorization.

340240233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113413414.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 340240233 is about 18445.6019961399. The cubic root of 340240233 is about 698.1175497079.

Adding to 340240233 its reverse (332042043), we get a palindrome (672282276).

The spelling of 340240233 in words is "three hundred forty million, two hundred forty thousand, two hundred thirty-three".