102323520 has 224 divisors, whose sum is σ = 389168640. Its totient is φ = 25159680.

The previous prime is 102323509. The next prime is 102323521. The reversal of 102323520 is 25323201.

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 = 102323493 and 102323502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102323521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111865 + ... + 112775.

It is an arithmetic number, because the mean of its divisors is an integer number (1737360).

Almost surely, 2^102323520 is an apocalyptic number.

102323520 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 102323520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194584320).

102323520 is an abundant number, since it is smaller than the sum of its proper divisors (286845120).

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

102323520 is a wasteful number, since it uses less digits than its factorization.

102323520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950 (or 934 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 102323520 is about 10115.5088848757. The cubic root of 102323520 is about 467.7263357318.

Adding to 102323520 its reverse (25323201), we get a palindrome (127646721).

The spelling of 102323520 in words is "one hundred two million, three hundred twenty-three thousand, five hundred twenty".