340221210300123 has 32 divisors (see below), whose sum is σ = 465365388956160. Its totient is φ = 220961752968960.

The previous prime is 340221210300091. The next prime is 340221210300137. The reversal of 340221210300123 is 321003012122043.

It is not a de Polignac number, because 340221210300123 - 2⁵ = 340221210300091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 340221210300093 and 340221210300102.

It is not an unprimeable number, because it can be changed into a prime (340221210307123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 381774858 + ... + 382664976.

It is an arithmetic number, because the mean of its divisors is an integer number (14542668404880).

Almost surely, 2^{340221210300123} is an apocalyptic number.

340221210300123 is a deficient number, since it is larger than the sum of its proper divisors (125144178656037).

340221210300123 is a wasteful number, since it uses less digits than its factorization.

340221210300123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894659.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 340221210300123 its reverse (321003012122043), we get a palindrome (661224222422166).

The spelling of 340221210300123 in words is "three hundred forty trillion, two hundred twenty-one billion, two hundred ten million, three hundred thousand, one hundred twenty-three".