423402003311 has 4 divisors (see below), whose sum is σ = 483888003792. Its totient is φ = 362916002832.

The previous prime is 423402003293. The next prime is 423402003317. The reversal of 423402003311 is 113300204324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423402003311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423402003317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30243000230 + ... + 30243000243.

It is an arithmetic number, because the mean of its divisors is an integer number (120972000948).

Almost surely, 2^423402003311 is an apocalyptic number.

423402003311 is a deficient number, since it is larger than the sum of its proper divisors (60486000481).

423402003311 is an equidigital number, since it uses as much as digits as its factorization.

423402003311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60486000480.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 423402003311 its reverse (113300204324), we get a palindrome (536702207635).

The spelling of 423402003311 in words is "four hundred twenty-three billion, four hundred two million, three thousand, three hundred eleven".