147539723 has 2 divisors, whose sum is σ = 147539724. Its totient is φ = 147539722.

The previous prime is 147539681. The next prime is 147539737. The reversal of 147539723 is 327935741.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-147539723 is a prime.

It is not a weakly prime, because it can be changed into another prime (147539783) 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, 73769861 + 73769862.

It is an arithmetic number, because the mean of its divisors is an integer number (73769862).

Almost surely, 2^147539723 is an apocalyptic number.

147539723 is a deficient number, since it is larger than the sum of its proper divisors (1).

147539723 is an equidigital number, since it uses as much as digits as its factorization.

147539723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 158760, while the sum is 41.

The square root of 147539723 is about 12146.5930614308. The cubic root of 147539723 is about 528.4083290617.

The spelling of 147539723 in words is "one hundred forty-seven million, five hundred thirty-nine thousand, seven hundred twenty-three".