423645244023 has 16 divisors (see below), whose sum is σ = 576072207360. Its totient is φ = 276834483744.

The previous prime is 423645243977. The next prime is 423645244193. The reversal of 423645244023 is 320442546324.

It is not a de Polignac number, because 423645244023 - 2¹⁴ = 423645227639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (923645244023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1117011 + ... + 1447412.

It is an arithmetic number, because the mean of its divisors is an integer number (36004512960).

Almost surely, 2^423645244023 is an apocalyptic number.

423645244023 is a deficient number, since it is larger than the sum of its proper divisors (152426963337).

423645244023 is a wasteful number, since it uses less digits than its factorization.

423645244023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2565518.

The product of its (nonzero) digits is 552960, while the sum is 39.

The spelling of 423645244023 in words is "four hundred twenty-three billion, six hundred forty-five million, two hundred forty-four thousand, twenty-three".