923730947 has 2 divisors, whose sum is σ = 923730948. Its totient is φ = 923730946.

The previous prime is 923730931. The next prime is 923730959. The reversal of 923730947 is 749037329.

It is a strong prime.

It is an emirp because it is prime and its reverse (749037329) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 923730947 - 2⁴ = 923730931 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 923730898 and 923730907.

It is not a weakly prime, because it can be changed into another prime (923730967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 461865473 + 461865474.

It is an arithmetic number, because the mean of its divisors is an integer number (461865474).

Almost surely, 2^923730947 is an apocalyptic number.

923730947 is a deficient number, since it is larger than the sum of its proper divisors (1).

923730947 is an equidigital number, since it uses as much as digits as its factorization.

923730947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 285768, while the sum is 44.

The square root of 923730947 is about 30392.9423879953. The cubic root of 923730947 is about 973.9017911343.

The spelling of 923730947 in words is "nine hundred twenty-three million, seven hundred thirty thousand, nine hundred forty-seven".