1203304123 has 12 divisors (see below), whose sum is σ = 1400502312. Its totient is φ = 1030858080.

The previous prime is 1203304079. The next prime is 1203304129. The reversal of 1203304123 is 3214033021.

It is not a de Polignac number, because 1203304123 - 2¹⁷ = 1203173051 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 1203304123.

It is not an unprimeable number, because it can be changed into a prime (1203304129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107208 + ... + 117898.

It is an arithmetic number, because the mean of its divisors is an integer number (116708526).

Almost surely, 2^1203304123 is an apocalyptic number.

1203304123 is a deficient number, since it is larger than the sum of its proper divisors (197198189).

1203304123 is a wasteful number, since it uses less digits than its factorization.

1203304123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13002 (or 12995 counting only the distinct ones).

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

The square root of 1203304123 is about 34688.6742756191. The cubic root of 1203304123 is about 1063.6329961161.

Adding to 1203304123 its reverse (3214033021), we get a palindrome (4417337144).

The spelling of 1203304123 in words is "one billion, two hundred three million, three hundred four thousand, one hundred twenty-three".