57305323 has 2 divisors, whose sum is σ = 57305324. Its totient is φ = 57305322.

The previous prime is 57305309. The next prime is 57305327. The reversal of 57305323 is 32350375.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57305323 - 2²⁵ = 23750891 is a prime.

It is equal to p_3411595 and since 57305323 and 3411595 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 57305291 and 57305300.

It is not a weakly prime, because it can be changed into another prime (57305327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28652661 + 28652662.

It is an arithmetic number, because the mean of its divisors is an integer number (28652662).

Almost surely, 2^57305323 is an apocalyptic number.

57305323 is a deficient number, since it is larger than the sum of its proper divisors (1).

57305323 is an equidigital number, since it uses as much as digits as its factorization.

57305323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9450, while the sum is 28.

The square root of 57305323 is about 7570.0279391823. The cubic root of 57305323 is about 385.5360453431.

Adding to 57305323 its reverse (32350375), we get a palindrome (89655698).

The spelling of 57305323 in words is "fifty-seven million, three hundred five thousand, three hundred twenty-three".