148309723 has 2 divisors, whose sum is σ = 148309724. Its totient is φ = 148309722.

The previous prime is 148309703. The next prime is 148309747. The reversal of 148309723 is 327903841.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 148309723 - 2⁵ = 148309691 is a prime.

It is not a weakly prime, because it can be changed into another prime (148309703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74154861 + 74154862.

It is an arithmetic number, because the mean of its divisors is an integer number (74154862).

Almost surely, 2^148309723 is an apocalyptic number.

148309723 is a deficient number, since it is larger than the sum of its proper divisors (1).

148309723 is an equidigital number, since it uses as much as digits as its factorization.

148309723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 148309723 is about 12178.2479445937. The cubic root of 148309723 is about 529.3259771668.

The spelling of 148309723 in words is "one hundred forty-eight million, three hundred nine thousand, seven hundred twenty-three".