120323003123 has 2 divisors, whose sum is σ = 120323003124. Its totient is φ = 120323003122.

The previous prime is 120323003111. The next prime is 120323003149. The reversal of 120323003123 is 321300323021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120323003123 - 2¹⁰ = 120323002099 is a prime.

It is a super-3 number, since 3×120323003123³ (a number of 34 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 120323003095 and 120323003104.

It is not a weakly prime, because it can be changed into another prime (120323003153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60161501561 + 60161501562.

It is an arithmetic number, because the mean of its divisors is an integer number (60161501562).

Almost surely, 2^120323003123 is an apocalyptic number.

120323003123 is a deficient number, since it is larger than the sum of its proper divisors (1).

120323003123 is an equidigital number, since it uses as much as digits as its factorization.

120323003123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 120323003123 its reverse (321300323021), we get a palindrome (441623326144).

The spelling of 120323003123 in words is "one hundred twenty billion, three hundred twenty-three million, three thousand, one hundred twenty-three".