1203423203 has 8 divisors (see below), whose sum is σ = 1229643072. Its totient is φ = 1177229056.

The previous prime is 1203423191. The next prime is 1203423211. The reversal of 1203423203 is 3023243021.

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 1203423203 - 2⁶ = 1203423139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1203423223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111251 + ... + 121587.

It is an arithmetic number, because the mean of its divisors is an integer number (153705384).

Almost surely, 2^1203423203 is an apocalyptic number.

1203423203 is a deficient number, since it is larger than the sum of its proper divisors (26219869).

1203423203 is a wasteful number, since it uses less digits than its factorization.

1203423203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12861.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 1203423203 is about 34690.3906435197. The cubic root of 1203423203 is about 1063.6680809676.

Adding to 1203423203 its reverse (3023243021), we get a palindrome (4226666224).

The spelling of 1203423203 in words is "one billion, two hundred three million, four hundred twenty-three thousand, two hundred three".