1303023013 has 8 divisors (see below), whose sum is σ = 1329287936. Its totient is φ = 1276916400.

The previous prime is 1303022999. The next prime is 1303023037. The reversal of 1303023013 is 3103203031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1303023013 - 2¹³ = 1303014821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303023613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22881 + ... + 55942.

It is an arithmetic number, because the mean of its divisors is an integer number (166160992).

Almost surely, 2^1303023013 is an apocalyptic number.

It is an amenable number.

1303023013 is a deficient number, since it is larger than the sum of its proper divisors (26264923).

1303023013 is an equidigital number, since it uses as much as digits as its factorization.

1303023013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79155.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 1303023013 is about 36097.4100594489. The cubic root of 1303023013 is about 1092.2382012111.

Adding to 1303023013 its reverse (3103203031), we get a palindrome (4406226044).

The spelling of 1303023013 in words is "one billion, three hundred three million, twenty-three thousand, thirteen".