147715823 has 12 divisors (see below), whose sum is σ = 158838840. Its totient is φ = 136942416.

The previous prime is 147715811. The next prime is 147715829. The reversal of 147715823 is 328517741.

It is not a de Polignac number, because 147715823 - 2⁴ = 147715807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147715829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 385490 + ... + 385872.

It is an arithmetic number, because the mean of its divisors is an integer number (13236570).

Almost surely, 2^147715823 is an apocalyptic number.

147715823 is a deficient number, since it is larger than the sum of its proper divisors (11123017).

147715823 is an frugal number, since it uses more digits than its factorization.

147715823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838 (or 455 counting only the distinct ones).

The product of its digits is 47040, while the sum is 38.

The square root of 147715823 is about 12153.8398459088. The cubic root of 147715823 is about 528.6184774600.

The spelling of 147715823 in words is "one hundred forty-seven million, seven hundred fifteen thousand, eight hundred twenty-three".