203423301203 has 4 divisors (see below), whose sum is σ = 214129790760. Its totient is φ = 192716811648.

The previous prime is 203423301187. The next prime is 203423301251. The reversal of 203423301203 is 302103324302.

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 203423301203 - 2⁴ = 203423301187 is a prime.

It is a super-2 number, since 2×203423301203² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203423301293) 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, 5353244750 + ... + 5353244787.

It is an arithmetic number, because the mean of its divisors is an integer number (53532447690).

Almost surely, 2^203423301203 is an apocalyptic number.

203423301203 is a deficient number, since it is larger than the sum of its proper divisors (10706489557).

203423301203 is a wasteful number, since it uses less digits than its factorization.

203423301203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10706489556.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 203423301203 its reverse (302103324302), we get a palindrome (505526625505).

The spelling of 203423301203 in words is "two hundred three billion, four hundred twenty-three million, three hundred one thousand, two hundred three".