1320013023 has 16 divisors (see below), whose sum is σ = 2034051840. Its totient is φ = 745816896.

The previous prime is 1320013007. The next prime is 1320013027. The reversal of 1320013023 is 3203100231.

It is not a de Polignac number, because 1320013023 - 2⁴ = 1320013007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1320012993 and 1320013011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320013027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 351265 + ... + 355002.

It is an arithmetic number, because the mean of its divisors is an integer number (127128240).

Almost surely, 2^1320013023 is an apocalyptic number.

1320013023 is a deficient number, since it is larger than the sum of its proper divisors (714038817).

1320013023 is an equidigital number, since it uses as much as digits as its factorization.

1320013023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706366.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 1320013023 is about 36331.9834718668. The cubic root of 1320013023 is about 1096.9649179815.

Adding to 1320013023 its reverse (3203100231), we get a palindrome (4523113254).

The spelling of 1320013023 in words is "one billion, three hundred twenty million, thirteen thousand, twenty-three".