523753873 has 2 divisors, whose sum is σ = 523753874. Its totient is φ = 523753872.

The previous prime is 523753859. The next prime is 523753883. The reversal of 523753873 is 378357325.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 493150849 + 30603024 = 22207^2 + 5532^2 .

It is a cyclic number.

It is not a de Polignac number, because 523753873 - 2⁹ = 523753361 is a prime.

It is equal to p_27539566 and since 523753873 and 27539566 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (523753823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261876936 + 261876937.

It is an arithmetic number, because the mean of its divisors is an integer number (261876937).

Almost surely, 2^523753873 is an apocalyptic number.

It is an amenable number.

523753873 is a deficient number, since it is larger than the sum of its proper divisors (1).

523753873 is an equidigital number, since it uses as much as digits as its factorization.

523753873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 529200, while the sum is 43.

The square root of 523753873 is about 22885.6695991181. The cubic root of 523753873 is about 806.0755516410.

The spelling of 523753873 in words is "five hundred twenty-three million, seven hundred fifty-three thousand, eight hundred seventy-three".