203423424231 has 8 divisors (see below), whose sum is σ = 271253683584. Its totient is φ = 135604390520.

The previous prime is 203423424227. The next prime is 203423424257. The reversal of 203423424231 is 132424324302.

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 203423424231 - 2² = 203423424227 is a prime.

It is a super-2 number, since 2×203423424231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203423424271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2764035 + ... + 2836676.

It is an arithmetic number, because the mean of its divisors is an integer number (33906710448).

Almost surely, 2^203423424231 is an apocalyptic number.

203423424231 is a deficient number, since it is larger than the sum of its proper divisors (67830259353).

203423424231 is a wasteful number, since it uses less digits than its factorization.

203423424231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5612821.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 203423424231 its reverse (132424324302), we get a palindrome (335847748533).

The spelling of 203423424231 in words is "two hundred three billion, four hundred twenty-three million, four hundred twenty-four thousand, two hundred thirty-one".