1310120023 has 2 divisors, whose sum is σ = 1310120024. Its totient is φ = 1310120022.

The previous prime is 1310120003. The next prime is 1310120059. The reversal of 1310120023 is 3200210131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1310120023 - 2⁹ = 1310119511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1310119985 and 1310120012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1310120003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655060011 + 655060012.

It is an arithmetic number, because the mean of its divisors is an integer number (655060012).

Almost surely, 2^1310120023 is an apocalyptic number.

1310120023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310120023 is an equidigital number, since it uses as much as digits as its factorization.

1310120023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1310120023 is about 36195.5801583564. The cubic root of 1310120023 is about 1094.2175969507.

Adding to 1310120023 its reverse (3200210131), we get a palindrome (4510330154).

It can be divided in two parts, 13101 and 20023, that added together give a square (33124 = 182²).

The spelling of 1310120023 in words is "one billion, three hundred ten million, one hundred twenty thousand, twenty-three".