523728923 has 2 divisors, whose sum is σ = 523728924. Its totient is φ = 523728922.

The previous prime is 523728913. The next prime is 523728967. The reversal of 523728923 is 329827325.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 523728923 - 2¹⁰ = 523727899 is a prime.

It is not a weakly prime, because it can be changed into another prime (523728913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261864461 + 261864462.

It is an arithmetic number, because the mean of its divisors is an integer number (261864462).

Almost surely, 2^523728923 is an apocalyptic number.

523728923 is a deficient number, since it is larger than the sum of its proper divisors (1).

523728923 is an equidigital number, since it uses as much as digits as its factorization.

523728923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 41.

The square root of 523728923 is about 22885.1244916867. The cubic root of 523728923 is about 806.0627517965.

The spelling of 523728923 in words is "five hundred twenty-three million, seven hundred twenty-eight thousand, nine hundred twenty-three".