102203213123 has 16 divisors (see below), whose sum is σ = 111918339456. Its totient is φ = 92559075840.

The previous prime is 102203213107. The next prime is 102203213129. The reversal of 102203213123 is 321312302201.

It is not a de Polignac number, because 102203213123 - 2⁴ = 102203213107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102203213095 and 102203213104.

It is not an unprimeable number, because it can be changed into a prime (102203213129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7128440 + ... + 7142762.

It is an arithmetic number, because the mean of its divisors is an integer number (6994896216).

Almost surely, 2^102203213123 is an apocalyptic number.

102203213123 is a deficient number, since it is larger than the sum of its proper divisors (9715126333).

102203213123 is a wasteful number, since it uses less digits than its factorization.

102203213123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16754.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 102203213123 its reverse (321312302201), we get a palindrome (423515515324).

The spelling of 102203213123 in words is "one hundred two billion, two hundred three million, two hundred thirteen thousand, one hundred twenty-three".