423423243435011 has 16 divisors (see below), whose sum is σ = 439567237524960. Its totient is φ = 407383723084800.

The previous prime is 423423243434909. The next prime is 423423243435103. The reversal of 423423243435011 is 110534342324324.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 423423243435011 - 2¹⁰ = 423423243433987 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 423423243435011.

It is not an unprimeable number, because it can be changed into a prime (423423243437011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 641036 + ... + 29107686.

It is an arithmetic number, because the mean of its divisors is an integer number (27472952345310).

Almost surely, 2^{423423243435011} is an apocalyptic number.

423423243435011 is a deficient number, since it is larger than the sum of its proper divisors (16143994089949).

423423243435011 is a wasteful number, since it uses less digits than its factorization.

423423243435011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28468486.

The product of its (nonzero) digits is 829440, while the sum is 41.

Adding to 423423243435011 its reverse (110534342324324), we get a palindrome (533957585759335).

The spelling of 423423243435011 in words is "four hundred twenty-three trillion, four hundred twenty-three billion, two hundred forty-three million, four hundred thirty-five thousand, eleven".