423301651 has 2 divisors, whose sum is σ = 423301652. Its totient is φ = 423301650.

The previous prime is 423301639. The next prime is 423301679. The reversal of 423301651 is 156103324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 423301651 - 2¹¹ = 423299603 is a prime.

It is not a weakly prime, because it can be changed into another prime (423301601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211650825 + 211650826.

It is an arithmetic number, because the mean of its divisors is an integer number (211650826).

Almost surely, 2^423301651 is an apocalyptic number.

423301651 is a deficient number, since it is larger than the sum of its proper divisors (1).

423301651 is an equidigital number, since it uses as much as digits as its factorization.

423301651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 423301651 is about 20574.2958810259. The cubic root of 423301651 is about 750.8444716149.

Adding to 423301651 its reverse (156103324), we get a palindrome (579404975).

The spelling of 423301651 in words is "four hundred twenty-three million, three hundred one thousand, six hundred fifty-one".