423577213 has 2 divisors, whose sum is σ = 423577214. Its totient is φ = 423577212.

The previous prime is 423577201. The next prime is 423577247. The reversal of 423577213 is 312775324.

It is an a-pointer prime, because the next prime (423577247) can be obtained adding 423577213 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 219573124 + 204004089 = 14818^2 + 14283^2 .

It is a cyclic number.

It is not a de Polignac number, because 423577213 - 2⁵ = 423577181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423577513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211788606 + 211788607.

It is an arithmetic number, because the mean of its divisors is an integer number (211788607).

Almost surely, 2^423577213 is an apocalyptic number.

It is an amenable number.

423577213 is a deficient number, since it is larger than the sum of its proper divisors (1).

423577213 is an equidigital number, since it uses as much as digits as its factorization.

423577213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35280, while the sum is 34.

The square root of 423577213 is about 20580.9915455986. The cubic root of 423577213 is about 751.0073651629.

The spelling of 423577213 in words is "four hundred twenty-three million, five hundred seventy-seven thousand, two hundred thirteen".