102303 has 12 divisors (see below), whose sum is σ = 153608. Its totient is φ = 68040.

The previous prime is 102301. The next prime is 102317. The reversal of 102303 is 303201.

It is a happy number.

It is not a de Polignac number, because 102303 - 2¹ = 102301 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an Ulam number.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33 + ... + 453.

2¹⁰²³⁰³ is an apocalyptic number.

102303 is a deficient number, since it is larger than the sum of its proper divisors (51305).

102303 is an frugal number, since it uses more digits than its factorization.

102303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436 (or 424 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 102303 is about 319.8484015905. The cubic root of 102303 is about 46.7695067632.

Adding to 102303 its reverse (303201), we get a palindrome (405504).

The spelling of 102303 in words is "one hundred two thousand, three hundred three", and thus it is an iban number.