102403232 has 48 divisors (see below), whose sum is σ = 208111680. Its totient is φ = 49577472.

The previous prime is 102403219. The next prime is 102403241. The reversal of 102403232 is 232304201.

It is a self number, because there is not a number n which added to its sum of digits gives 102403232.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137453 + ... + 138195.

It is an arithmetic number, because the mean of its divisors is an integer number (4335660).

Almost surely, 2^102403232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102403232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104055840).

102403232 is an abundant number, since it is smaller than the sum of its proper divisors (105708448).

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

102403232 is an equidigital number, since it uses as much as digits as its factorization.

102403232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885 (or 877 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 102403232 is about 10119.4482063006. The cubic root of 102403232 is about 467.8477601588.

Adding to 102403232 its reverse (232304201), we get a palindrome (334707433).

The spelling of 102403232 in words is "one hundred two million, four hundred three thousand, two hundred thirty-two".