1320232303 has 8 divisors (see below), whose sum is σ = 1452040128. Its totient is φ = 1192746144.

The previous prime is 1320232297. The next prime is 1320232313. The reversal of 1320232303 is 3032320231.

It is a happy number.

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 1320232303 - 2²⁵ = 1286677871 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 (1320232313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1079776 + ... + 1080997.

It is an arithmetic number, because the mean of its divisors is an integer number (181505016).

Almost surely, 2^1320232303 is an apocalyptic number.

1320232303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1320232303 is a deficient number, since it is larger than the sum of its proper divisors (131807825).

1320232303 is a wasteful number, since it uses less digits than its factorization.

1320232303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2160833.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 1320232303 is about 36335.0010733452. The cubic root of 1320232303 is about 1097.0256570663.

Adding to 1320232303 its reverse (3032320231), we get a palindrome (4352552534).

It can be divided in two parts, 132023 and 2303, that multiplied together give a square (304048969 = 17437²).

The spelling of 1320232303 in words is "one billion, three hundred twenty million, two hundred thirty-two thousand, three hundred three".