12523059603 has 6 divisors (see below), whose sum is σ = 18088863884. Its totient is φ = 8348706396.

The previous prime is 12523059569. The next prime is 12523059607. The reversal of 12523059603 is 30695032521.

12523059603 is a `hidden beast` number, since 1 + 25 + 23 + 0 + 5 + 9 + 603 = 666.

It is not a de Polignac number, because 12523059603 - 2⁸ = 12523059347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12523059607) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 695725525 + ... + 695725542.

Almost surely, 2^12523059603 is an apocalyptic number.

12523059603 is a deficient number, since it is larger than the sum of its proper divisors (5565804281).

12523059603 is a wasteful number, since it uses less digits than its factorization.

12523059603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391451073 (or 1391451070 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The spelling of 12523059603 in words is "twelve billion, five hundred twenty-three million, fifty-nine thousand, six hundred three".