340370723172 has 192 divisors, whose sum is σ = 868081536000. Its totient is φ = 103461101568.

The previous prime is 340370723171. The next prime is 340370723179. The reversal of 340370723172 is 271327073043.

It is a self number, because there is not a number n which added to its sum of digits gives 340370723172.

It is not an unprimeable number, because it can be changed into a prime (340370723171) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 128102068 + ... + 128104724.

It is an arithmetic number, because the mean of its divisors is an integer number (4521258000).

Almost surely, 2^340370723172 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340370723172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (434040768000).

340370723172 is an abundant number, since it is smaller than the sum of its proper divisors (527710812828).

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

340370723172 is a wasteful number, since it uses less digits than its factorization.

340370723172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2938 (or 2936 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 39.

The spelling of 340370723172 in words is "three hundred forty billion, three hundred seventy million, seven hundred twenty-three thousand, one hundred seventy-two".