130169723 has 2 divisors, whose sum is σ = 130169724. Its totient is φ = 130169722.

The previous prime is 130169717. The next prime is 130169761. The reversal of 130169723 is 327961031.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (327961031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130169723 - 2⁶ = 130169659 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 130169723.

It is not a weakly prime, because it can be changed into another prime (130169773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65084861 + 65084862.

It is an arithmetic number, because the mean of its divisors is an integer number (65084862).

Almost surely, 2^130169723 is an apocalyptic number.

130169723 is a deficient number, since it is larger than the sum of its proper divisors (1).

130169723 is an equidigital number, since it uses as much as digits as its factorization.

130169723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 130169723 is about 11409.1946692131. The cubic root of 130169723 is about 506.8000630312.

The spelling of 130169723 in words is "one hundred thirty million, one hundred sixty-nine thousand, seven hundred twenty-three".