340312233 has 4 divisors (see below), whose sum is σ = 453749648. Its totient is φ = 226874820.

The previous prime is 340312223. The next prime is 340312241. The reversal of 340312233 is 332213043.

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 340312233 - 2⁹ = 340311721 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (340312223) 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, 56718703 + ... + 56718708.

It is an arithmetic number, because the mean of its divisors is an integer number (113437412).

Almost surely, 2^340312233 is an apocalyptic number.

It is an amenable number.

340312233 is a deficient number, since it is larger than the sum of its proper divisors (113437415).

340312233 is a wasteful number, since it uses less digits than its factorization.

340312233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113437414.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 340312233 is about 18447.5535776428. The cubic root of 340312233 is about 698.1667903263.

Adding to 340312233 its reverse (332213043), we get a palindrome (672525276).

The spelling of 340312233 in words is "three hundred forty million, three hundred twelve thousand, two hundred thirty-three".