123503502113 has 8 divisors (see below), whose sum is σ = 130803196032. Its totient is φ = 116207672896.

The previous prime is 123503502103. The next prime is 123503502131. The reversal of 123503502113 is 311205305321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123503502113 - 2⁴ = 123503502097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (123503502103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 900245 + ... + 1028322.

It is an arithmetic number, because the mean of its divisors is an integer number (16350399504).

Almost surely, 2^123503502113 is an apocalyptic number.

It is an amenable number.

123503502113 is a deficient number, since it is larger than the sum of its proper divisors (7299693919).

123503502113 is a wasteful number, since it uses less digits than its factorization.

123503502113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1932351.

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 123503502113 its reverse (311205305321), we get a palindrome (434708807434).

The spelling of 123503502113 in words is "one hundred twenty-three billion, five hundred three million, five hundred two thousand, one hundred thirteen".