164356723 has 2 divisors, whose sum is σ = 164356724. Its totient is φ = 164356722.

The previous prime is 164356681. The next prime is 164356727. The reversal of 164356723 is 327653461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 164356723 - 2¹³ = 164348531 is a prime.

It is not a weakly prime, because it can be changed into another prime (164356727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82178361 + 82178362.

It is an arithmetic number, because the mean of its divisors is an integer number (82178362).

Almost surely, 2^164356723 is an apocalyptic number.

164356723 is a deficient number, since it is larger than the sum of its proper divisors (1).

164356723 is an equidigital number, since it uses as much as digits as its factorization.

164356723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 37.

The square root of 164356723 is about 12820.1686026355. The cubic root of 164356723 is about 547.7669491833.

The spelling of 164356723 in words is "one hundred sixty-four million, three hundred fifty-six thousand, seven hundred twenty-three".