13125063123 has 32 divisors (see below), whose sum is σ = 20412057600. Its totient is φ = 8324229600.

The previous prime is 13125063121. The next prime is 13125063199. The reversal of 13125063123 is 32136052131.

13125063123 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 5 + 0 + 631 + 23 = 666.

It is not a de Polignac number, because 13125063123 - 2¹ = 13125063121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (13125063121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83508 + ... + 182273.

It is an arithmetic number, because the mean of its divisors is an integer number (637876800).

Almost surely, 2^13125063123 is an apocalyptic number.

13125063123 is a deficient number, since it is larger than the sum of its proper divisors (7286994477).

13125063123 is a wasteful number, since it uses less digits than its factorization.

13125063123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265880 (or 265874 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The spelling of 13125063123 in words is "thirteen billion, one hundred twenty-five million, sixty-three thousand, one hundred twenty-three".