1232257563 has 48 divisors (see below), whose sum is σ = 1964800000. Its totient is φ = 763012224.

The previous prime is 1232257553. The next prime is 1232257567. The reversal of 1232257563 is 3657522321.

1232257563 is a `hidden beast` number, since 1 + 2 + 3 + 22 + 575 + 63 = 666.

It is not a de Polignac number, because 1232257563 - 2⁹ = 1232257051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1232257567) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 615438 + ... + 617436.

Almost surely, 2^1232257563 is an apocalyptic number.

1232257563 is a deficient number, since it is larger than the sum of its proper divisors (732542437).

1232257563 is a wasteful number, since it uses less digits than its factorization.

1232257563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2121 (or 2098 counting only the distinct ones).

The product of its digits is 75600, while the sum is 36.

The square root of 1232257563 is about 35103.5263613216. The cubic root of 1232257563 is about 1072.0963829185.

Adding to 1232257563 its reverse (3657522321), we get a palindrome (4889779884).

The spelling of 1232257563 in words is "one billion, two hundred thirty-two million, two hundred fifty-seven thousand, five hundred sixty-three".