423555502111 has 12 divisors (see below), whose sum is σ = 506023839768. Its totient is φ = 353235475152.

The previous prime is 423555502067. The next prime is 423555502127. The reversal of 423555502111 is 111205555324.

It is not a de Polignac number, because 423555502111 - 2¹⁹ = 423554977823 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 (423555502211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 116808861 + ... + 116812486.

It is an arithmetic number, because the mean of its divisors is an integer number (42168653314).

Almost surely, 2^423555502111 is an apocalyptic number.

423555502111 is a deficient number, since it is larger than the sum of its proper divisors (82468337657).

423555502111 is a wasteful number, since it uses less digits than its factorization.

423555502111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233621398 (or 233621391 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 34.

The spelling of 423555502111 in words is "four hundred twenty-three billion, five hundred fifty-five million, five hundred two thousand, one hundred eleven".