164254723 has 2 divisors, whose sum is σ = 164254724. Its totient is φ = 164254722.

The previous prime is 164254693. The next prime is 164254747. The reversal of 164254723 is 327452461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 164254723 - 2⁵ = 164254691 is a prime.

It is a super-2 number, since 2×164254723² = 53959228055613458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (164254763) 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, 82127361 + 82127362.

It is an arithmetic number, because the mean of its divisors is an integer number (82127362).

Almost surely, 2^164254723 is an apocalyptic number.

164254723 is a deficient number, since it is larger than the sum of its proper divisors (1).

164254723 is an equidigital number, since it uses as much as digits as its factorization.

164254723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 34.

The square root of 164254723 is about 12816.1898784311. The cubic root of 164254723 is about 547.6536107693.

It can be divided in two parts, 1642 and 54723, that added together give a palindrome (56365).

The spelling of 164254723 in words is "one hundred sixty-four million, two hundred fifty-four thousand, seven hundred twenty-three".