102123143021024 has 24 divisors (see below), whose sum is σ = 209796456859920. Its totient is φ = 48841503183616.

The previous prime is 102123143021017. The next prime is 102123143021069. The reversal of 102123143021024 is 420120341321201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 102123143020984 and 102123143021002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69377134469 + ... + 69377135940.

It is an arithmetic number, because the mean of its divisors is an integer number (8741519035830).

Almost surely, 2^{102123143021024} is an apocalyptic number.

It is an amenable number.

102123143021024 is an abundant number, since it is smaller than the sum of its proper divisors (107673313838896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102123143021024 is a wasteful number, since it uses less digits than its factorization.

102123143021024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138754270442 (or 138754270434 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 102123143021024 its reverse (420120341321201), we get a palindrome (522243484342225).

The spelling of 102123143021024 in words is "one hundred two trillion, one hundred twenty-three billion, one hundred forty-three million, twenty-one thousand, twenty-four".