340023321232340 has 24 divisors (see below), whose sum is σ = 738671353023240. Its totient is φ = 131319351648128.

The previous prime is 340023321232339. The next prime is 340023321232471. The reversal of 340023321232340 is 43232123320043.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 67327374766276 + 272695946466064 = 8205326^2 + 16513508^2 .

It is a junction number, because it is equal to n+sod(n) for n = 340023321232297 and 340023321232306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293123552207 + ... + 293123553366.

It is an arithmetic number, because the mean of its divisors is an integer number (30777973042635).

Almost surely, 2^{340023321232340} is an apocalyptic number.

It is an amenable number.

340023321232340 is an abundant number, since it is smaller than the sum of its proper divisors (398648031790900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

340023321232340 is a wasteful number, since it uses less digits than its factorization.

340023321232340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586247105611 (or 586247105609 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 32.

Adding to 340023321232340 its reverse (43232123320043), we get a palindrome (383255444552383).

The spelling of 340023321232340 in words is "three hundred forty trillion, twenty-three billion, three hundred twenty-one million, two hundred thirty-two thousand, three hundred forty".