102243042320 has 40 divisors (see below), whose sum is σ = 237793809240. Its totient is φ = 40883671040.

The previous prime is 102243042311. The next prime is 102243042331. The reversal of 102243042320 is 23240342201.

It can be written as a sum of positive squares in 4 ways, for example, as 58337707024 + 43905335296 = 241532^2 + 209536^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33146 + ... + 453414.

It is an arithmetic number, because the mean of its divisors is an integer number (5944845231).

Almost surely, 2^102243042320 is an apocalyptic number.

102243042320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102243042320 is an abundant number, since it is smaller than the sum of its proper divisors (135550766920).

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

102243042320 is a wasteful number, since it uses less digits than its factorization.

102243042320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423323 (or 423317 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 102243042320 its reverse (23240342201), we get a palindrome (125483384521).

The spelling of 102243042320 in words is "one hundred two billion, two hundred forty-three million, forty-two thousand, three hundred twenty".