203243045463 has 24 divisors (see below), whose sum is σ = 303665862656. Its totient is φ = 130855208400.

The previous prime is 203243045443. The next prime is 203243045477. The reversal of 203243045463 is 364540342302.

203243045463 is a `hidden beast` number, since 20 + 324 + 304 + 5 + 4 + 6 + 3 = 666.

It is not a de Polignac number, because 203243045463 - 2⁵ = 203243045431 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 (203243045443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 612043 + ... + 883788.

Almost surely, 2^203243045463 is an apocalyptic number.

203243045463 is a deficient number, since it is larger than the sum of its proper divisors (100422817193).

203243045463 is a wasteful number, since it uses less digits than its factorization.

203243045463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1496355 (or 1496352 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 36.

Adding to 203243045463 its reverse (364540342302), we get a palindrome (567783387765).

The spelling of 203243045463 in words is "two hundred three billion, two hundred forty-three million, forty-five thousand, four hundred sixty-three".