340354123 has 8 divisors (see below), whose sum is σ = 341917200. Its totient is φ = 338795520.

The previous prime is 340354117. The next prime is 340354139. The reversal of 340354123 is 321453043.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340354123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340354103) 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, 309711 + ... + 310807.

It is an arithmetic number, because the mean of its divisors is an integer number (42739650).

Almost surely, 2^340354123 is an apocalyptic number.

340354123 is a deficient number, since it is larger than the sum of its proper divisors (1563077).

340354123 is a wasteful number, since it uses less digits than its factorization.

340354123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2237.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 340354123 is about 18448.6889236065. The cubic root of 340354123 is about 698.1954355958.

The spelling of 340354123 in words is "three hundred forty million, three hundred fifty-four thousand, one hundred twenty-three".