130040123 has 8 divisors (see below), whose sum is σ = 144936720. Its totient is φ = 115948800.

The previous prime is 130040107. The next prime is 130040149. The reversal of 130040123 is 321040031.

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 130040123 - 2⁴ = 130040107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130040098 and 130040107.

It is not an unprimeable number, because it can be changed into a prime (130040423) 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, 200978 + ... + 201623.

It is an arithmetic number, because the mean of its divisors is an integer number (18117090).

Almost surely, 2^130040123 is an apocalyptic number.

130040123 is a deficient number, since it is larger than the sum of its proper divisors (14896597).

130040123 is a wasteful number, since it uses less digits than its factorization.

130040123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402637.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 130040123 is about 11403.5136251946. The cubic root of 130040123 is about 506.6318132092.

Adding to 130040123 its reverse (321040031), we get a palindrome (451080154).

The spelling of 130040123 in words is "one hundred thirty million, forty thousand, one hundred twenty-three".