164386023 has 4 divisors (see below), whose sum is σ = 219181368. Its totient is φ = 109590680.

The previous prime is 164386021. The next prime is 164386031. The reversal of 164386023 is 320683461.

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 164386023 - 2¹ = 164386021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164386021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27397668 + ... + 27397673.

It is an arithmetic number, because the mean of its divisors is an integer number (54795342).

Almost surely, 2^164386023 is an apocalyptic number.

164386023 is a deficient number, since it is larger than the sum of its proper divisors (54795345).

164386023 is an equidigital number, since it uses as much as digits as its factorization.

164386023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54795344.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 164386023 is about 12821.3112823923. The cubic root of 164386023 is about 547.7994975283.

The spelling of 164386023 in words is "one hundred sixty-four million, three hundred eighty-six thousand, twenty-three".