102323421330 has 128 divisors (see below), whose sum is σ = 266259087360. Its totient is φ = 25017189120.

The previous prime is 102323421287. The next prime is 102323421349. The reversal of 102323421330 is 33124323201.

It is a self number, because there is not a number n which added to its sum of digits gives 102323421330.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 43155045 + ... + 43157415.

It is an arithmetic number, because the mean of its divisors is an integer number (2080149120).

Almost surely, 2^102323421330 is an apocalyptic number.

102323421330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 102323421330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133129543680).

102323421330 is an abundant number, since it is smaller than the sum of its proper divisors (163935666030).

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

102323421330 is a wasteful number, since it uses less digits than its factorization.

102323421330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3096.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 102323421330 its reverse (33124323201), we get a palindrome (135447744531).

The spelling of 102323421330 in words is "one hundred two billion, three hundred twenty-three million, four hundred twenty-one thousand, three hundred thirty".