1303233 has 4 divisors (see below), whose sum is σ = 1737648. Its totient is φ = 868820.

The previous prime is 1303223. The next prime is 1303241. The reversal of 1303233 is 3323031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3323031 = 3 ⋅1107677.

It is a cyclic number.

It is not a de Polignac number, because 1303233 - 2¹⁰ = 1302209 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (1303213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217203 + ... + 217208.

It is an arithmetic number, because the mean of its divisors is an integer number (434412).

2^1303233 is an apocalyptic number.

It is an amenable number.

1303233 is a deficient number, since it is larger than the sum of its proper divisors (434415).

1303233 is an equidigital number, since it uses as much as digits as its factorization.

1303233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434414.

The product of its (nonzero) digits is 162, while the sum is 15.

The square root of 1303233 is about 1141.5923090140. The cubic root of 1303233 is about 109.2296870808.

Adding to 1303233 its reverse (3323031), we get a palindrome (4626264).

The spelling of 1303233 in words is "one million, three hundred three thousand, two hundred thirty-three".