102320861149230 has 128 divisors (see below), whose sum is σ = 254576133532800. Its totient is φ = 26288910434304.

The previous prime is 102320861149219. The next prime is 102320861149231. The reversal of 102320861149230 is 32941168023201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102320861149231) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1351821226 + ... + 1351896914.

It is an arithmetic number, because the mean of its divisors is an integer number (1988876043225).

Almost surely, 2^{102320861149230} is an apocalyptic number.

102320861149230 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 102320861149230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127288066766400).

102320861149230 is an abundant number, since it is smaller than the sum of its proper divisors (152255272383570).

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

102320861149230 is a wasteful number, since it uses less digits than its factorization.

102320861149230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78998.

The product of its (nonzero) digits is 124416, while the sum is 42.

The spelling of 102320861149230 in words is "one hundred two trillion, three hundred twenty billion, eight hundred sixty-one million, one hundred forty-nine thousand, two hundred thirty".