130130020123 has 4 divisors (see below), whose sum is σ = 130130859760. Its totient is φ = 130129180488.

The previous prime is 130130020081. The next prime is 130130020129. The reversal of 130130020123 is 321020031031.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 130130020123 - 2²¹ = 130127922971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130130020097 and 130130020106.

It is not an unprimeable number, because it can be changed into a prime (130130020129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112215 + ... + 522352.

It is an arithmetic number, because the mean of its divisors is an integer number (32532714940).

Almost surely, 2^130130020123 is an apocalyptic number.

130130020123 is a deficient number, since it is larger than the sum of its proper divisors (839637).

130130020123 is an equidigital number, since it uses as much as digits as its factorization.

130130020123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839636.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 130130020123 its reverse (321020031031), we get a palindrome (451150051154).

The spelling of 130130020123 in words is "one hundred thirty billion, one hundred thirty million, twenty thousand, one hundred twenty-three".