575221723 has 2 divisors, whose sum is σ = 575221724. Its totient is φ = 575221722.

The previous prime is 575221711. The next prime is 575221747. The reversal of 575221723 is 327122575.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 575221723 - 2⁹ = 575221211 is a prime.

It is a super-2 number, since 2×575221723² = 661760061222177458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (575221783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 287610861 + 287610862.

It is an arithmetic number, because the mean of its divisors is an integer number (287610862).

Almost surely, 2^575221723 is an apocalyptic number.

575221723 is a deficient number, since it is larger than the sum of its proper divisors (1).

575221723 is an equidigital number, since it uses as much as digits as its factorization.

575221723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29400, while the sum is 34.

The square root of 575221723 is about 23983.7804151055. The cubic root of 575221723 is about 831.6586192494.

The spelling of 575221723 in words is "five hundred seventy-five million, two hundred twenty-one thousand, seven hundred twenty-three".