203112231201023 has 8 divisors (see below), whose sum is σ = 204976486400400. Its totient is φ = 201247991278848.

The previous prime is 203112231201013. The next prime is 203112231201029. The reversal of 203112231201023 is 320102132211302.

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 203112231201023 - 2²⁸ = 203111962765567 is a prime.

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 203112231201023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203112231201029) 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, 23805743 + ... + 31191951.

It is an arithmetic number, because the mean of its divisors is an integer number (25622060800050).

Almost surely, 2^{203112231201023} is an apocalyptic number.

203112231201023 is a deficient number, since it is larger than the sum of its proper divisors (1864255199377).

203112231201023 is a wasteful number, since it uses less digits than its factorization.

203112231201023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7638601.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 203112231201023 its reverse (320102132211302), we get a palindrome (523214363412325).

The spelling of 203112231201023 in words is "two hundred three trillion, one hundred twelve billion, two hundred thirty-one million, two hundred one thousand, twenty-three".