164806723 has 2 divisors, whose sum is σ = 164806724. Its totient is φ = 164806722.

The previous prime is 164806711. The next prime is 164806727. The reversal of 164806723 is 327608461.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164806723 is a prime.

It is a super-2 number, since 2×164806723² = 54322511891997458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (164806727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82403361 + 82403362.

It is an arithmetic number, because the mean of its divisors is an integer number (82403362).

Almost surely, 2^164806723 is an apocalyptic number.

164806723 is a deficient number, since it is larger than the sum of its proper divisors (1).

164806723 is an equidigital number, since it uses as much as digits as its factorization.

164806723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 164806723 is about 12837.7070772004. The cubic root of 164806723 is about 548.2664125876.

The spelling of 164806723 in words is "one hundred sixty-four million, eight hundred six thousand, seven hundred twenty-three".