216346017723 has 8 divisors (see below), whose sum is σ = 314685116736. Its totient is φ = 131118798600.

The previous prime is 216346017697. The next prime is 216346017739. The reversal of 216346017723 is 327710643612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 216346017723 - 2¹⁸ = 216345755579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (216346017743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3277969933 + ... + 3277969998.

It is an arithmetic number, because the mean of its divisors is an integer number (39335639592).

Almost surely, 2^216346017723 is an apocalyptic number.

216346017723 is a deficient number, since it is larger than the sum of its proper divisors (98339099013).

216346017723 is a wasteful number, since it uses less digits than its factorization.

216346017723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6555939945.

The product of its (nonzero) digits is 254016, while the sum is 42.

The spelling of 216346017723 in words is "two hundred sixteen billion, three hundred forty-six million, seventeen thousand, seven hundred twenty-three".