130320021123 has 8 divisors (see below), whose sum is σ = 193066698000. Its totient is φ = 86880014064.

The previous prime is 130320021109. The next prime is 130320021131. The reversal of 130320021123 is 321120023031.

130320021123 is a `hidden beast` number, since 130 + 320 + 0 + 211 + 2 + 3 = 666.

It is not a de Polignac number, because 130320021123 - 2⁴ = 130320021107 is a prime.

It is a super-2 number, since 2×130320021123² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 130320021096 and 130320021105.

It is not an unprimeable number, because it can be changed into a prime (130320021163) 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, 2413333698 + ... + 2413333751.

It is an arithmetic number, because the mean of its divisors is an integer number (24133337250).

Almost surely, 2^130320021123 is an apocalyptic number.

130320021123 is a deficient number, since it is larger than the sum of its proper divisors (62746676877).

130320021123 is an equidigital number, since it uses as much as digits as its factorization.

130320021123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4826667458 (or 4826667452 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 130320021123 its reverse (321120023031), we get a palindrome (451440044154).

The spelling of 130320021123 in words is "one hundred thirty billion, three hundred twenty million, twenty-one thousand, one hundred twenty-three".