203123142302001 has 16 divisors (see below), whose sum is σ = 272037780187008. Its totient is φ = 134812309881600.

The previous prime is 203123142301997. The next prime is 203123142302023. The reversal of 203123142302001 is 100203241321302.

It is not a de Polignac number, because 203123142302001 - 2² = 203123142301997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (203123142302501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40579866 + ... + 45309731.

It is an arithmetic number, because the mean of its divisors is an integer number (17002361261688).

Almost surely, 2^{203123142302001} is an apocalyptic number.

It is an amenable number.

203123142302001 is a deficient number, since it is larger than the sum of its proper divisors (68914637885007).

203123142302001 is a wasteful number, since it uses less digits than its factorization.

203123142302001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85893112.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 203123142302001 its reverse (100203241321302), we get a palindrome (303326383623303).

The spelling of 203123142302001 in words is "two hundred three trillion, one hundred twenty-three billion, one hundred forty-two million, three hundred two thousand, one".