102123132144 has 40 divisors (see below), whose sum is σ = 287801555712. Its totient is φ = 30946403520.

The previous prime is 102123132143. The next prime is 102123132149. The reversal of 102123132144 is 441231321201.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102123132143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96706984 + ... + 96708039.

Almost surely, 2^102123132144 is an apocalyptic number.

It is an amenable number.

102123132144 is an abundant number, since it is smaller than the sum of its proper divisors (185678423568).

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

102123132144 is a wasteful number, since it uses less digits than its factorization.

102123132144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193415045 (or 193415039 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 102123132144 its reverse (441231321201), we get a palindrome (543354453345).

The spelling of 102123132144 in words is "one hundred two billion, one hundred twenty-three million, one hundred thirty-two thousand, one hundred forty-four".