203311001010023 has 8 divisors (see below), whose sum is σ = 204286133041200. Its totient is φ = 202335978156480.

The previous prime is 203311001009971. The next prime is 203311001010031. The reversal of 203311001010023 is 320010100113302.

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 203311001010023 - 2⁶ = 203311001009959 is a prime.

It is a super-2 number, since 2×203311001010023² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203311001009983 and 203311001010010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203311001010083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23559848 + ... + 31011101.

It is an arithmetic number, because the mean of its divisors is an integer number (25535766630150).

Almost surely, 2^{203311001010023} is an apocalyptic number.

203311001010023 is a deficient number, since it is larger than the sum of its proper divisors (975132031177).

203311001010023 is a wasteful number, since it uses less digits than its factorization.

203311001010023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54588817.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 203311001010023 its reverse (320010100113302), we get a palindrome (523321101123325).

The spelling of 203311001010023 in words is "two hundred three trillion, three hundred eleven billion, one million, ten thousand, twenty-three".