340244123 has 4 divisors (see below), whose sum is σ = 343547568. Its totient is φ = 336940680.

The previous prime is 340244111. The next prime is 340244147. The reversal of 340244123 is 321442043.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 340244123 - 2⁶ = 340244059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340244173) 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, 1651568 + ... + 1651773.

It is an arithmetic number, because the mean of its divisors is an integer number (85886892).

Almost surely, 2^340244123 is an apocalyptic number.

340244123 is a deficient number, since it is larger than the sum of its proper divisors (3303445).

340244123 is a wasteful number, since it uses less digits than its factorization.

340244123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3303444.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 340244123 is about 18445.7074410281. The cubic root of 340244123 is about 698.1202102466.

Adding to 340244123 its reverse (321442043), we get a palindrome (661686166).

The spelling of 340244123 in words is "three hundred forty million, two hundred forty-four thousand, one hundred twenty-three".