423013527563 has 4 divisors (see below), whose sum is σ = 461469302808. Its totient is φ = 384557752320.

The previous prime is 423013527529. The next prime is 423013527631. The reversal of 423013527563 is 365725310324.

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

It is a cyclic number.

It is not a de Polignac number, because 423013527563 - 2²² = 423009333259 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 423013527563.

It is not an unprimeable number, because it can be changed into a prime (423013527163) 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 3 ways as a sum of consecutive naturals, for example, 19227887606 + ... + 19227887627.

It is an arithmetic number, because the mean of its divisors is an integer number (115367325702).

Almost surely, 2^423013527563 is an apocalyptic number.

423013527563 is a deficient number, since it is larger than the sum of its proper divisors (38455775245).

423013527563 is a wasteful number, since it uses less digits than its factorization.

423013527563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38455775244.

The product of its (nonzero) digits is 453600, while the sum is 41.

Adding to 423013527563 its reverse (365725310324), we get a palindrome (788738837887).

The spelling of 423013527563 in words is "four hundred twenty-three billion, thirteen million, five hundred twenty-seven thousand, five hundred sixty-three".