102323443134 has 64 divisors (see below), whose sum is σ = 227065466880. Its totient is φ = 30478032000.

The previous prime is 102323443133. The next prime is 102323443147. The reversal of 102323443134 is 431344323201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102323443133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6518307 + ... + 6533985.

It is an arithmetic number, because the mean of its divisors is an integer number (3547897920).

Almost surely, 2^102323443134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102323443134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113532733440).

102323443134 is an abundant number, since it is smaller than the sum of its proper divisors (124742023746).

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

102323443134 is a wasteful number, since it uses less digits than its factorization.

102323443134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17377.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 102323443134 its reverse (431344323201), we get a palindrome (533667766335).

The spelling of 102323443134 in words is "one hundred two billion, three hundred twenty-three million, four hundred forty-three thousand, one hundred thirty-four".