423410401 has 2 divisors, whose sum is σ = 423410402. Its totient is φ = 423410400.

The previous prime is 423410399. The next prime is 423410423. The reversal of 423410401 is 104014324.

It is the 8401-st star number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 400600225 + 22810176 = 20015^2 + 4776^2 .

It is a cyclic number.

It is not a de Polignac number, because 423410401 - 2¹ = 423410399 is a prime.

Together with 423410399, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (423410501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211705200 + 211705201.

It is an arithmetic number, because the mean of its divisors is an integer number (211705201).

Almost surely, 2^423410401 is an apocalyptic number.

It is an amenable number.

423410401 is a deficient number, since it is larger than the sum of its proper divisors (1).

423410401 is an equidigital number, since it uses as much as digits as its factorization.

423410401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 423410401 is about 20576.9385721006. The cubic root of 423410401 is about 750.9087656744.

Adding to 423410401 its reverse (104014324), we get a palindrome (527424725).

The spelling of 423410401 in words is "four hundred twenty-three million, four hundred ten thousand, four hundred one".