203123332433013 has 16 divisors (see below), whose sum is σ = 288825390181440. Its totient is φ = 126533028070656.

The previous prime is 203123332432987. The next prime is 203123332433041. The reversal of 203123332433013 is 310334233321302.

203123332433013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 203123332433013 - 2²² = 203123328238709 is a prime.

It is a super-2 number, since 2×203123332433013² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203123332433053) 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, 14326649170 + ... + 14326663347.

It is an arithmetic number, because the mean of its divisors is an integer number (18051586886340).

Almost surely, 2^{203123332433013} is an apocalyptic number.

It is an amenable number.

203123332433013 is a deficient number, since it is larger than the sum of its proper divisors (85702057748427).

203123332433013 is a wasteful number, since it uses less digits than its factorization.

203123332433013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28653312676.

The product of its (nonzero) digits is 69984, while the sum is 33.

Adding to 203123332433013 its reverse (310334233321302), we get a palindrome (513457565754315).

The spelling of 203123332433013 in words is "two hundred three trillion, one hundred twenty-three billion, three hundred thirty-two million, four hundred thirty-three thousand, thirteen".