1203321223 has 4 divisors (see below), whose sum is σ = 1295884408. Its totient is φ = 1110758040.

The previous prime is 1203321211. The next prime is 1203321227. The reversal of 1203321223 is 3221233021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1203321223 - 2¹⁷ = 1203190151 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1203321223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203321227) 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 3 ways as a sum of consecutive naturals, for example, 46281573 + ... + 46281598.

It is an arithmetic number, because the mean of its divisors is an integer number (323971102).

Almost surely, 2^1203321223 is an apocalyptic number.

1203321223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1203321223 is a deficient number, since it is larger than the sum of its proper divisors (92563185).

1203321223 is an equidigital number, since it uses as much as digits as its factorization.

1203321223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92563184.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1203321223 is about 34688.9207528859. The cubic root of 1203321223 is about 1063.6380344761.

Adding to 1203321223 its reverse (3221233021), we get a palindrome (4424554244).

The spelling of 1203321223 in words is "one billion, two hundred three million, three hundred twenty-one thousand, two hundred twenty-three".