102203322123 has 192 divisors, whose sum is σ = 180923904000. Its totient is φ = 50054070528.

The previous prime is 102203322119. The next prime is 102203322127. The reversal of 102203322123 is 321223302201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (102203322119) and next prime (102203322127).

It is not a de Polignac number, because 102203322123 - 2² = 102203322119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 102203322123.

It is not an unprimeable number, because it can be changed into a prime (102203322127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 361142340 + ... + 361142622.

It is an arithmetic number, because the mean of its divisors is an integer number (942312000).

Almost surely, 2^102203322123 is an apocalyptic number.

102203322123 is a deficient number, since it is larger than the sum of its proper divisors (78720581877).

102203322123 is a wasteful number, since it uses less digits than its factorization.

102203322123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446 (or 423 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 102203322123 its reverse (321223302201), we get a palindrome (423426624324).

The spelling of 102203322123 in words is "one hundred two billion, two hundred three million, three hundred twenty-two thousand, one hundred twenty-three".