102312403 has 2 divisors, whose sum is σ = 102312404. Its totient is φ = 102312402.

The previous prime is 102312401. The next prime is 102312407. The reversal of 102312403 is 304213201.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (304213201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102312403 - 2¹ = 102312401 is a prime.

Together with 102312401, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (102312401) by changing a digit.

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 as a sum of consecutive naturals, namely, 51156201 + 51156202.

It is an arithmetic number, because the mean of its divisors is an integer number (51156202).

Almost surely, 2^102312403 is an apocalyptic number.

102312403 is a deficient number, since it is larger than the sum of its proper divisors (1).

102312403 is an equidigital number, since it uses as much as digits as its factorization.

102312403 is an odious number, because the sum of its binary digits is odd.

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

The square root of 102312403 is about 10114.9593671947. The cubic root of 102312403 is about 467.7093963158.

Adding to 102312403 its reverse (304213201), we get a palindrome (406525604).

The spelling of 102312403 in words is "one hundred two million, three hundred twelve thousand, four hundred three".