202103312011123 has 8 divisors (see below), whose sum is σ = 202953740749760. Its totient is φ = 201252981006720.

The previous prime is 202103312011061. The next prime is 202103312011187. The reversal of 202103312011123 is 321110213301202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202103312011123 is a prime.

It is a super-2 number, since 2×202103312011123² (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 = 202103312011094 and 202103312011103.

It is not an unprimeable number, because it can be changed into a prime (202103312071123) 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, 20287608 + ... + 28562101.

It is an arithmetic number, because the mean of its divisors is an integer number (25369217593720).

Almost surely, 2^{202103312011123} is an apocalyptic number.

202103312011123 is a deficient number, since it is larger than the sum of its proper divisors (850428738637).

202103312011123 is a wasteful number, since it uses less digits than its factorization.

202103312011123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48867117.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 202103312011123 its reverse (321110213301202), we get a palindrome (523213525312325).

The spelling of 202103312011123 in words is "two hundred two trillion, one hundred three billion, three hundred twelve million, eleven thousand, one hundred twenty-three".