102403321 has 8 divisors (see below), whose sum is σ = 106966080. Its totient is φ = 97909392.

The previous prime is 102403303. The next prime is 102403333. The reversal of 102403321 is 123304201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102403321 - 2⁵ = 102403289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102403295 and 102403304.

It is not an unprimeable number, because it can be changed into a prime (102403351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14155 + ... + 20128.

It is an arithmetic number, because the mean of its divisors is an integer number (13370760).

Almost surely, 2^102403321 is an apocalyptic number.

It is an amenable number.

102403321 is a deficient number, since it is larger than the sum of its proper divisors (4562759).

102403321 is a wasteful number, since it uses less digits than its factorization.

102403321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34415.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 102403321 is about 10119.4526037726. The cubic root of 102403321 is about 467.8478956963.

Adding to 102403321 its reverse (123304201), we get a palindrome (225707522).

The spelling of 102403321 in words is "one hundred two million, four hundred three thousand, three hundred twenty-one".