923616973 has 2 divisors, whose sum is σ = 923616974. Its totient is φ = 923616972.

The previous prime is 923616971. The next prime is 923616997. The reversal of 923616973 is 379616329.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 881080489 + 42536484 = 29683^2 + 6522^2 .

It is an emirp because it is prime and its reverse (379616329) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 923616973 - 2¹ = 923616971 is a prime.

Together with 923616971, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (923616971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 461808486 + 461808487.

It is an arithmetic number, because the mean of its divisors is an integer number (461808487).

Almost surely, 2^923616973 is an apocalyptic number.

It is an amenable number.

923616973 is a deficient number, since it is larger than the sum of its proper divisors (1).

923616973 is an equidigital number, since it uses as much as digits as its factorization.

923616973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 367416, while the sum is 46.

The square root of 923616973 is about 30391.0673224880. The cubic root of 923616973 is about 973.8617347201.

The spelling of 923616973 in words is "nine hundred twenty-three million, six hundred sixteen thousand, nine hundred seventy-three".