102304123120 has 20 divisors (see below), whose sum is σ = 237857086440. Its totient is φ = 40921649216.

The previous prime is 102304123087. The next prime is 102304123121. The reversal of 102304123120 is 21321403201.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×102304123120² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102304123121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 639400690 + ... + 639400849.

It is an arithmetic number, because the mean of its divisors is an integer number (11892854322).

Almost surely, 2^102304123120 is an apocalyptic number.

102304123120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102304123120 is an abundant number, since it is smaller than the sum of its proper divisors (135552963320).

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

102304123120 is a wasteful number, since it uses less digits than its factorization.

102304123120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278801552 (or 1278801546 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 102304123120 its reverse (21321403201), we get a palindrome (123625526321).

The spelling of 102304123120 in words is "one hundred two billion, three hundred four million, one hundred twenty-three thousand, one hundred twenty".