102323025 has 54 divisors (see below), whose sum is σ = 213216822. Its totient is φ = 46771200.

The previous prime is 102322993. The next prime is 102323041. The reversal of 102323025 is 520323201.

102323025 = 1421² + 1422² + ... + 1469².

It can be written as a sum of positive squares in 3 ways, for example, as 21538881 + 80784144 = 4641^2 + 8988^2 .

It is not a de Polignac number, because 102323025 - 2⁵ = 102322993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102322989 and 102323007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 6385 + ... + 15665.

Almost surely, 2^102323025 is an apocalyptic number.

102323025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102323025 is an abundant number, since it is smaller than the sum of its proper divisors (110893797).

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

102323025 is a wasteful number, since it uses less digits than its factorization.

102323025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9311 (or 9296 counting only the distinct ones).

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

The square root of 102323025 is about 10115.4844174661. The cubic root of 102323025 is about 467.7255815066.

Adding to 102323025 its reverse (520323201), we get a palindrome (622646226).

The spelling of 102323025 in words is "one hundred two million, three hundred twenty-three thousand, twenty-five".