423577577 has 2 divisors, whose sum is σ = 423577578. Its totient is φ = 423577576.

The previous prime is 423577571. The next prime is 423577589. The reversal of 423577577 is 775775324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 423577561 + 16 = 20581^2 + 4^2 .

It is a cyclic number.

It is not a de Polignac number, because 423577577 - 2⁶ = 423577513 is a prime.

It is not a weakly prime, because it can be changed into another prime (423577571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211788788 + 211788789.

It is an arithmetic number, because the mean of its divisors is an integer number (211788789).

Almost surely, 2^423577577 is an apocalyptic number.

It is an amenable number.

423577577 is a deficient number, since it is larger than the sum of its proper divisors (1).

423577577 is an equidigital number, since it uses as much as digits as its factorization.

423577577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440600, while the sum is 47.

The square root of 423577577 is about 20581.0003887080. Note that the first 3 decimals coincide. The cubic root of 423577577 is about 751.0075802883.

The spelling of 423577577 in words is "four hundred twenty-three million, five hundred seventy-seven thousand, five hundred seventy-seven".