201423626426 has 32 divisors (see below), whose sum is σ = 338550271488. Its totient is φ = 89086843440.

The previous prime is 201423626389. The next prime is 201423626483. The reversal of 201423626426 is 624626324102.

201423626426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 201423626426.

It is an unprimeable number.

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, 155996 + ... + 653591.

It is an arithmetic number, because the mean of its divisors is an integer number (10579695984).

Almost surely, 2^201423626426 is an apocalyptic number.

201423626426 is a deficient number, since it is larger than the sum of its proper divisors (137126645062).

201423626426 is a wasteful number, since it uses less digits than its factorization.

201423626426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809906.

The product of its (nonzero) digits is 165888, while the sum is 38.

The spelling of 201423626426 in words is "two hundred one billion, four hundred twenty-three million, six hundred twenty-six thousand, four hundred twenty-six".