234505420563 has 16 divisors (see below), whose sum is σ = 313179338016. Its totient is φ = 156084418560.

The previous prime is 234505420559. The next prime is 234505420603. The reversal of 234505420563 is 365024505432.

It is not a de Polignac number, because 234505420563 - 2² = 234505420559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (234505420553) 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, 5115223 + ... + 5160863.

It is an arithmetic number, because the mean of its divisors is an integer number (19573708626).

Almost surely, 2^234505420563 is an apocalyptic number.

234505420563 is a deficient number, since it is larger than the sum of its proper divisors (78673917453).

234505420563 is a wasteful number, since it uses less digits than its factorization.

234505420563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48374.

The product of its (nonzero) digits is 432000, while the sum is 39.

Adding to 234505420563 its reverse (365024505432), we get a palindrome (599529925995).

The spelling of 234505420563 in words is "two hundred thirty-four billion, five hundred five million, four hundred twenty thousand, five hundred sixty-three".