102403320 has 64 divisors (see below), whose sum is σ = 310068000. Its totient is φ = 27053568.

The previous prime is 102403303. The next prime is 102403333. The reversal of 102403320 is 23304201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 102403320.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9166 + ... + 16994.

Almost surely, 2^102403320 is an apocalyptic number.

102403320 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 102403320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155034000).

102403320 is an abundant number, since it is smaller than the sum of its proper divisors (207664680).

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

102403320 is a wasteful number, since it uses less digits than its factorization.

102403320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7952 (or 7948 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 102403320 is about 10119.4525543628. The cubic root of 102403320 is about 467.8478941734.

Adding to 102403320 its reverse (23304201), we get a palindrome (125707521).

The spelling of 102403320 in words is "one hundred two million, four hundred three thousand, three hundred twenty".