123545510013 has 16 divisors (see below), whose sum is σ = 166355804160. Its totient is φ = 81549725424.

The previous prime is 123545510003. The next prime is 123545510047. The reversal of 123545510013 is 310015545321.

It is not a de Polignac number, because 123545510013 - 2⁶ = 123545509949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123545510003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1903348 + ... + 1967186.

It is an arithmetic number, because the mean of its divisors is an integer number (10397237760).

Almost surely, 2^123545510013 is an apocalyptic number.

It is an amenable number.

123545510013 is a deficient number, since it is larger than the sum of its proper divisors (42810294147).

123545510013 is a wasteful number, since it uses less digits than its factorization.

123545510013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70208.

The product of its (nonzero) digits is 9000, while the sum is 30.

The spelling of 123545510013 in words is "one hundred twenty-three billion, five hundred forty-five million, five hundred ten thousand, thirteen".