348323078721 has 16 divisors (see below), whose sum is σ = 464815169280. Its totient is φ = 232023267840.

The previous prime is 348323078711. The next prime is 348323078771. The reversal of 348323078721 is 127870323843.

It is a de Polignac number, because none of the positive numbers 2^k-348323078721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (348323078711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25046856 + ... + 25060758.

It is an arithmetic number, because the mean of its divisors is an integer number (29050948080).

Almost surely, 2^348323078721 is an apocalyptic number.

It is an amenable number.

348323078721 is a deficient number, since it is larger than the sum of its proper divisors (116492090559).

348323078721 is a wasteful number, since it uses less digits than its factorization.

348323078721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20216.

The product of its (nonzero) digits is 1354752, while the sum is 48.

The spelling of 348323078721 in words is "three hundred forty-eight billion, three hundred twenty-three million, seventy-eight thousand, seven hundred twenty-one".