147423959 has 2 divisors, whose sum is σ = 147423960. Its totient is φ = 147423958.

The previous prime is 147423953. The next prime is 147423967. The reversal of 147423959 is 959324741.

It is a weak prime.

It is an emirp because it is prime and its reverse (959324741) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-147423959 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147423953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73711979 + 73711980.

It is an arithmetic number, because the mean of its divisors is an integer number (73711980).

Almost surely, 2^147423959 is an apocalyptic number.

147423959 is a deficient number, since it is larger than the sum of its proper divisors (1).

147423959 is an equidigital number, since it uses as much as digits as its factorization.

147423959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 44.

The square root of 147423959 is about 12141.8268394834. The cubic root of 147423959 is about 528.2700913354.

The spelling of 147423959 in words is "one hundred forty-seven million, four hundred twenty-three thousand, nine hundred fifty-nine".