130000123 has 8 divisors (see below), whose sum is σ = 141931440. Its totient is φ = 118087680.

The previous prime is 130000099. The next prime is 130000151. The reversal of 130000123 is 321000031.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130000123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130000153) 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, 12411 + ... + 20347.

It is an arithmetic number, because the mean of its divisors is an integer number (17741430).

Almost surely, 2^130000123 is an apocalyptic number.

130000123 is a deficient number, since it is larger than the sum of its proper divisors (11931317).

130000123 is a wasteful number, since it uses less digits than its factorization.

130000123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9437.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 130000123 is about 11401.7596448969. The cubic root of 130000123 is about 506.5798616775.

Adding to 130000123 its reverse (321000031), we get a palindrome (451000154).

The spelling of 130000123 in words is "one hundred thirty million, one hundred twenty-three", and thus it is an aban number.