102423102120 has 192 divisors, whose sum is σ = 355947780240. Its totient is φ = 25451520000.

The previous prime is 102423102109. The next prime is 102423102121. The reversal of 102423102120 is 21201324201.

It is a happy number.

102423102120 is a `hidden beast` number, since 102 + 42 + 310 + 212 + 0 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 98549533476 + 3873568644 = 313926^2 + 62238^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 102423102093 and 102423102102.

It is not an unprimeable number, because it can be changed into a prime (102423102121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 535270 + ... + 700970.

Almost surely, 2^102423102120 is an apocalyptic number.

102423102120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102423102120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177973890120).

102423102120 is an abundant number, since it is smaller than the sum of its proper divisors (253524678120).

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

102423102120 is a wasteful number, since it uses less digits than its factorization.

102423102120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165836 (or 165829 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 102423102120 its reverse (21201324201), we get a palindrome (123624426321).

The spelling of 102423102120 in words is "one hundred two billion, four hundred twenty-three million, one hundred two thousand, one hundred twenty".