126512632323 has 64 divisors (see below), whose sum is σ = 234312253440. Its totient is φ = 65541376800.

The previous prime is 126512632303. The next prime is 126512632349. The reversal of 126512632323 is 323236215621.

126512632323 is a `hidden beast` number, since 1 + 2 + 6 + 5 + 12 + 632 + 3 + 2 + 3 = 666.

It is not a de Polignac number, because 126512632323 - 2⁸ = 126512632067 is a prime.

It is a super-2 number, since 2×126512632323² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (126512632303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 680088 + ... + 845898.

It is an arithmetic number, because the mean of its divisors is an integer number (3661128960).

Almost surely, 2^126512632323 is an apocalyptic number.

126512632323 is a deficient number, since it is larger than the sum of its proper divisors (107799621117).

126512632323 is a wasteful number, since it uses less digits than its factorization.

126512632323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166205 (or 166199 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

Adding to 126512632323 its reverse (323236215621), we get a palindrome (449748847944).

The spelling of 126512632323 in words is "one hundred twenty-six billion, five hundred twelve million, six hundred thirty-two thousand, three hundred twenty-three".