1303020423 has 12 divisors (see below), whose sum is σ = 1917653400. Its totient is φ = 852289776.

The previous prime is 1303020413. The next prime is 1303020457. The reversal of 1303020423 is 3240203031.

It is not a de Polignac number, because 1303020423 - 2⁸ = 1303020167 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1303020396 and 1303020405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303020413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1365373 + ... + 1366326.

It is an arithmetic number, because the mean of its divisors is an integer number (159804450).

Almost surely, 2^1303020423 is an apocalyptic number.

1303020423 is a deficient number, since it is larger than the sum of its proper divisors (614632977).

1303020423 is a wasteful number, since it uses less digits than its factorization.

1303020423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2731758 (or 2731755 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 1303020423 is about 36097.3741842811. The cubic root of 1303020423 is about 1092.2374775352.

Adding to 1303020423 its reverse (3240203031), we get a palindrome (4543223454).

The spelling of 1303020423 in words is "one billion, three hundred three million, twenty thousand, four hundred twenty-three".