203031233023 has 4 divisors (see below), whose sum is σ = 203032657080. Its totient is φ = 203029808968.

The previous prime is 203031233017. The next prime is 203031233101. The reversal of 203031233023 is 320332130302.

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 203031233023 - 2²¹ = 203029135871 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203031232985 and 203031233003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203031234023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 470965 + ... + 792382.

It is an arithmetic number, because the mean of its divisors is an integer number (50758164270).

Almost surely, 2^203031233023 is an apocalyptic number.

203031233023 is a deficient number, since it is larger than the sum of its proper divisors (1424057).

203031233023 is a wasteful number, since it uses less digits than its factorization.

203031233023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424056.

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 203031233023 its reverse (320332130302), we get a palindrome (523363363325).

The spelling of 203031233023 in words is "two hundred three billion, thirty-one million, two hundred thirty-three thousand, twenty-three".