340123133 has 8 divisors (see below), whose sum is σ = 394037568. Its totient is φ = 287540064.

The previous prime is 340123109. The next prime is 340123139. The reversal of 340123133 is 331321043.

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

It is not a de Polignac number, because 340123133 - 2¹² = 340119037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340123139) 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, 332291 + ... + 333312.

It is an arithmetic number, because the mean of its divisors is an integer number (49254696).

Almost surely, 2^340123133 is an apocalyptic number.

It is an amenable number.

340123133 is a deficient number, since it is larger than the sum of its proper divisors (53914435).

340123133 is an equidigital number, since it uses as much as digits as its factorization.

340123133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665683.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 340123133 is about 18442.4275245966. The cubic root of 340123133 is about 698.0374504746.

Adding to 340123133 its reverse (331321043), we get a palindrome (671444176).

The spelling of 340123133 in words is "three hundred forty million, one hundred twenty-three thousand, one hundred thirty-three".