164723347 has 2 divisors, whose sum is σ = 164723348. Its totient is φ = 164723346.

The previous prime is 164723287. The next prime is 164723357. The reversal of 164723347 is 743327461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 164723347 - 2¹⁵ = 164690579 is a prime.

It is not a weakly prime, because it can be changed into another prime (164723357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82361673 + 82361674.

It is an arithmetic number, because the mean of its divisors is an integer number (82361674).

Almost surely, 2^164723347 is an apocalyptic number.

164723347 is a deficient number, since it is larger than the sum of its proper divisors (1).

164723347 is an equidigital number, since it uses as much as digits as its factorization.

164723347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672, while the sum is 37.

The square root of 164723347 is about 12834.4593575265. The cubic root of 164723347 is about 548.1739406900.

The spelling of 164723347 in words is "one hundred sixty-four million, seven hundred twenty-three thousand, three hundred forty-seven".