340723423400 has 96 divisors (see below), whose sum is σ = 812318242680. Its totient is φ = 132831744000.

The previous prime is 340723423399. The next prime is 340723423409. The reversal of 340723423400 is 4324327043.

It can be written as a sum of positive squares in 12 ways, for example, as 37274480356 + 303448943044 = 193066^2 + 550862^2 .

It is not an unprimeable number, because it can be changed into a prime (340723423409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8351852 + ... + 8392548.

Almost surely, 2^340723423400 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 340723423400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (406159121340).

340723423400 is an abundant number, since it is smaller than the sum of its proper divisors (471594819280).

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

340723423400 is a wasteful number, since it uses less digits than its factorization.

340723423400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41775 (or 41766 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 32.

The spelling of 340723423400 in words is "three hundred forty billion, seven hundred twenty-three million, four hundred twenty-three thousand, four hundred".