423613732511 has 4 divisors (see below), whose sum is σ = 423615138312. Its totient is φ = 423612326712.

The previous prime is 423613732483. The next prime is 423613732513. The reversal of 423613732511 is 115237316324.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423613732511 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 (423613732513) 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 3 ways as a sum of consecutive naturals, for example, 46700 + ... + 921633.

It is an arithmetic number, because the mean of its divisors is an integer number (105903784578).

Almost surely, 2^423613732511 is an apocalyptic number.

423613732511 is a deficient number, since it is larger than the sum of its proper divisors (1405801).

423613732511 is an equidigital number, since it uses as much as digits as its factorization.

423613732511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405800.

The product of its digits is 90720, while the sum is 38.

The spelling of 423613732511 in words is "four hundred twenty-three billion, six hundred thirteen million, seven hundred thirty-two thousand, five hundred eleven".