102203203 has 2 divisors, whose sum is σ = 102203204. Its totient is φ = 102203202.

The previous prime is 102203149. The next prime is 102203219. The reversal of 102203203 is 302302201.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (302302201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102203203 is a prime.

It is not a weakly prime, because it can be changed into another prime (102203273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51101601 + 51101602.

It is an arithmetic number, because the mean of its divisors is an integer number (51101602).

Almost surely, 2^102203203 is an apocalyptic number.

102203203 is a deficient number, since it is larger than the sum of its proper divisors (1).

102203203 is an equidigital number, since it uses as much as digits as its factorization.

102203203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 102203203 is about 10109.5599805333. The cubic root of 102203203 is about 467.5429386624.

Adding to 102203203 its reverse (302302201), we get a palindrome (404505404).

The spelling of 102203203 in words is "one hundred two million, two hundred three thousand, two hundred three".