423577513 has 2 divisors, whose sum is σ = 423577514. Its totient is φ = 423577512.

The previous prime is 423577493. The next prime is 423577529. The reversal of 423577513 is 315775324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 221027689 + 202549824 = 14867^2 + 14232^2 .

It is a cyclic number.

It is not a de Polignac number, because 423577513 - 2⁵ = 423577481 is a prime.

It is equal to p_22524796 and since 423577513 and 22524796 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 (423577213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211788756 + 211788757.

It is an arithmetic number, because the mean of its divisors is an integer number (211788757).

Almost surely, 2^423577513 is an apocalyptic number.

It is an amenable number.

423577513 is a deficient number, since it is larger than the sum of its proper divisors (1).

423577513 is an equidigital number, since it uses as much as digits as its factorization.

423577513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 88200, while the sum is 37.

The square root of 423577513 is about 20580.9988338759. The cubic root of 423577513 is about 751.0075424641.

The spelling of 423577513 in words is "four hundred twenty-three million, five hundred seventy-seven thousand, five hundred thirteen".