1303011423 has 48 divisors (see below), whose sum is σ = 2194254400. Its totient is φ = 729699840.

The previous prime is 1303011373. The next prime is 1303011443. The reversal of 1303011423 is 3241103031.

It is not a de Polignac number, because 1303011423 - 2⁸ = 1303011167 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1303011396 and 1303011405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303011443) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1571373 + ... + 1572201.

Almost surely, 2^1303011423 is an apocalyptic number.

1303011423 is a deficient number, since it is larger than the sum of its proper divisors (891242977).

1303011423 is a wasteful number, since it uses less digits than its factorization.

1303011423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312 (or 1309 counting only the distinct ones).

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

The square root of 1303011423 is about 36097.2495212585. The cubic root of 1303011423 is about 1092.2349628241.

Adding to 1303011423 its reverse (3241103031), we get a palindrome (4544114454).

The spelling of 1303011423 in words is "one billion, three hundred three million, eleven thousand, four hundred twenty-three".