12523227566434 has 16 divisors (see below), whose sum is σ = 20229998842872. Its totient is φ = 5779902699648.

The previous prime is 12523227566429. The next prime is 12523227566461. The reversal of 12523227566434 is 43466572232521.

12523227566434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 10399367288025 + 2123860278409 = 3224805^2 + 1457347^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1238052 + ... + 5155504.

Almost surely, 2^{12523227566434} is an apocalyptic number.

12523227566434 is a deficient number, since it is larger than the sum of its proper divisors (7706771276438).

12523227566434 is a wasteful number, since it uses less digits than its factorization.

12523227566434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4040421.

The product of its digits is 14515200, while the sum is 52.

Adding to 12523227566434 its reverse (43466572232521), we get a palindrome (55989799798955).

The spelling of 12523227566434 in words is "twelve trillion, five hundred twenty-three billion, two hundred twenty-seven million, five hundred sixty-six thousand, four hundred thirty-four".