164006723 has 4 divisors (see below), whose sum is σ = 164107008. Its totient is φ = 163906440.

The previous prime is 164006693. The next prime is 164006737. The reversal of 164006723 is 327600461.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 164006723 - 2⁸ = 164006467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164806723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47648 + ... + 50973.

It is an arithmetic number, because the mean of its divisors is an integer number (41026752).

Almost surely, 2^164006723 is an apocalyptic number.

164006723 is a deficient number, since it is larger than the sum of its proper divisors (100285).

164006723 is an equidigital number, since it uses as much as digits as its factorization.

164006723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100284.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 164006723 is about 12806.5109612259. The cubic root of 164006723 is about 547.3778469935.

The spelling of 164006723 in words is "one hundred sixty-four million, six thousand, seven hundred twenty-three".