102123668 has 24 divisors (see below), whose sum is σ = 183399552. Its totient is φ = 49734464.

The previous prime is 102123649. The next prime is 102123691. The reversal of 102123668 is 866321201.

It is a self number, because there is not a number n which added to its sum of digits gives 102123668.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41480 + ... + 43872.

It is an arithmetic number, because the mean of its divisors is an integer number (7641648).

Almost surely, 2^102123668 is an apocalyptic number.

It is an amenable number.

102123668 is a deficient number, since it is larger than the sum of its proper divisors (81275884).

102123668 is a wasteful number, since it uses less digits than its factorization.

102123668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2671 (or 2669 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 102123668 is about 10105.6255620323. The cubic root of 102123668 is about 467.4216258372.

Adding to 102123668 its reverse (866321201), we get a palindrome (968444869).

The spelling of 102123668 in words is "one hundred two million, one hundred twenty-three thousand, six hundred sixty-eight".