973123147 has 2 divisors, whose sum is σ = 973123148. Its totient is φ = 973123146.

The previous prime is 973123127. The next prime is 973123157. The reversal of 973123147 is 741321379.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (741321379) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-973123147 is a prime.

It is not a weakly prime, because it can be changed into another prime (973123127) 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, 486561573 + 486561574.

It is an arithmetic number, because the mean of its divisors is an integer number (486561574).

Almost surely, 2^973123147 is an apocalyptic number.

973123147 is a deficient number, since it is larger than the sum of its proper divisors (1).

973123147 is an equidigital number, since it uses as much as digits as its factorization.

973123147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31752, while the sum is 37.

The square root of 973123147 is about 31194.9218142954. The cubic root of 973123147 is about 990.9595658401.

The spelling of 973123147 in words is "nine hundred seventy-three million, one hundred twenty-three thousand, one hundred forty-seven".