57645323 has 2 divisors, whose sum is σ = 57645324. Its totient is φ = 57645322.

The previous prime is 57645311. The next prime is 57645331. The reversal of 57645323 is 32354675.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57645323 - 2¹⁰ = 57644299 is a prime.

It is a super-3 number, since 3×57645323³ (a number of 24 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (57605323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28822661 + 28822662.

It is an arithmetic number, because the mean of its divisors is an integer number (28822662).

Almost surely, 2^57645323 is an apocalyptic number.

57645323 is a deficient number, since it is larger than the sum of its proper divisors (1).

57645323 is an equidigital number, since it uses as much as digits as its factorization.

57645323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75600, while the sum is 35.

The square root of 57645323 is about 7592.4517120624. The cubic root of 57645323 is about 386.2970209790.

Adding to 57645323 its reverse (32354675), we get a palindrome (89999998).

The spelling of 57645323 in words is "fifty-seven million, six hundred forty-five thousand, three hundred twenty-three".