203253123424003 has 4 divisors (see below), whose sum is σ = 203410561940728. Its totient is φ = 203095684907280.

The previous prime is 203253123423983. The next prime is 203253123424061. The reversal of 203253123424003 is 300424321352302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203253123424003 is a prime.

It is a super-2 number, since 2×203253123424003² (a number of 29 digits) contains 22 as substring.

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 203253123424003.

It is not an unprimeable number, because it can be changed into a prime (203253123424093) 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, 78719256426 + ... + 78719259007.

It is an arithmetic number, because the mean of its divisors is an integer number (50852640485182).

Almost surely, 2^{203253123424003} is an apocalyptic number.

203253123424003 is a deficient number, since it is larger than the sum of its proper divisors (157438516725).

203253123424003 is a wasteful number, since it uses less digits than its factorization.

203253123424003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157438516724.

The product of its (nonzero) digits is 103680, while the sum is 34.

Adding to 203253123424003 its reverse (300424321352302), we get a palindrome (503677444776305).

The spelling of 203253123424003 in words is "two hundred three trillion, two hundred fifty-three billion, one hundred twenty-three million, four hundred twenty-four thousand, three".