423511241 has 2 divisors, whose sum is σ = 423511242. Its totient is φ = 423511240.

The previous prime is 423511229. The next prime is 423511247. The reversal of 423511241 is 142115324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 309021241 + 114490000 = 17579^2 + 10700^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423511241 is a prime.

It is not a weakly prime, because it can be changed into another prime (423511247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211755620 + 211755621.

It is an arithmetic number, because the mean of its divisors is an integer number (211755621).

Almost surely, 2^423511241 is an apocalyptic number.

It is an amenable number.

423511241 is a deficient number, since it is larger than the sum of its proper divisors (1).

423511241 is an equidigital number, since it uses as much as digits as its factorization.

423511241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 960, while the sum is 23.

The square root of 423511241 is about 20579.3887421371. The cubic root of 423511241 is about 750.9683734287.

Adding to 423511241 its reverse (142115324), we get a palindrome (565626565).

The spelling of 423511241 in words is "four hundred twenty-three million, five hundred eleven thousand, two hundred forty-one".