340232023123123 has 4 divisors (see below), whose sum is σ = 340792537165120. Its totient is φ = 339671509081128.

The previous prime is 340232023123061. The next prime is 340232023123163. The reversal of 340232023123123 is 321321320232043.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340232023123123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340232023123163) 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, 280257020088 + ... + 280257021301.

It is an arithmetic number, because the mean of its divisors is an integer number (85198134291280).

Almost surely, 2^{340232023123123} is an apocalyptic number.

340232023123123 is a deficient number, since it is larger than the sum of its proper divisors (560514041997).

340232023123123 is an equidigital number, since it uses as much as digits as its factorization.

340232023123123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560514041996.

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 340232023123123 its reverse (321321320232043), we get a palindrome (661553343355166).

The spelling of 340232023123123 in words is "three hundred forty trillion, two hundred thirty-two billion, twenty-three million, one hundred twenty-three thousand, one hundred twenty-three".