1203113323 has 4 divisors (see below), whose sum is σ = 1204037968. Its totient is φ = 1202188680.

The previous prime is 1203113311. The next prime is 1203113339. The reversal of 1203113323 is 3233113021.

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 1203113323 - 2⁹ = 1203112811 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1203113323.

It is not an unprimeable number, because it can be changed into a prime (1203113123) 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, 460368 + ... + 462973.

It is an arithmetic number, because the mean of its divisors is an integer number (301009492).

Almost surely, 2^1203113323 is an apocalyptic number.

1203113323 is a deficient number, since it is larger than the sum of its proper divisors (924645).

1203113323 is an equidigital number, since it uses as much as digits as its factorization.

1203113323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924644.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1203113323 is about 34685.9239894226. The cubic root of 1203113323 is about 1063.5767753876.

Adding to 1203113323 its reverse (3233113021), we get a palindrome (4436226344).

The spelling of 1203113323 in words is "one billion, two hundred three million, one hundred thirteen thousand, three hundred twenty-three".