123944203 has 4 divisors (see below), whose sum is σ = 125689968. Its totient is φ = 122198440.

The previous prime is 123944167. The next prime is 123944207. The reversal of 123944203 is 302449321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302449321 = 4603 ⋅65707.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123944203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123944207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 872776 + ... + 872917.

It is an arithmetic number, because the mean of its divisors is an integer number (31422492).

Almost surely, 2^123944203 is an apocalyptic number.

123944203 is a deficient number, since it is larger than the sum of its proper divisors (1745765).

123944203 is an equidigital number, since it uses as much as digits as its factorization.

123944203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745764.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 123944203 is about 11133.0230844996. The cubic root of 123944203 is about 498.5882885595.

The spelling of 123944203 in words is "one hundred twenty-three million, nine hundred forty-four thousand, two hundred three".