123130013 has 8 divisors (see below), whose sum is σ = 129721920. Its totient is φ = 116549280.

The previous prime is 123130003. The next prime is 123130039. The reversal of 123130013 is 310031321.

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 123130013 - 2¹⁰ = 123128989 is a prime.

It is a super-2 number, since 2×123130013² = 30322000202760338, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123130013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123130003) 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, 29528 + ... + 33438.

It is an arithmetic number, because the mean of its divisors is an integer number (16215240).

Almost surely, 2^123130013 is an apocalyptic number.

It is an amenable number.

123130013 is a deficient number, since it is larger than the sum of its proper divisors (6591907).

123130013 is a wasteful number, since it uses less digits than its factorization.

123130013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5587.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 123130013 is about 11096.3963970291. The cubic root of 123130013 is about 497.4941463752.

Adding to 123130013 its reverse (310031321), we get a palindrome (433161334).

The spelling of 123130013 in words is "one hundred twenty-three million, one hundred thirty thousand, thirteen".