102245623 has 2 divisors, whose sum is σ = 102245624. Its totient is φ = 102245622.

The previous prime is 102245621. The next prime is 102245659. The reversal of 102245623 is 326542201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102245623 - 2¹ = 102245621 is a prime.

Together with 102245621, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102245621) 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, 51122811 + 51122812.

It is an arithmetic number, because the mean of its divisors is an integer number (51122812).

Almost surely, 2^102245623 is an apocalyptic number.

102245623 is a deficient number, since it is larger than the sum of its proper divisors (1).

102245623 is an equidigital number, since it uses as much as digits as its factorization.

102245623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 102245623 is about 10111.6577770413. The cubic root of 102245623 is about 467.6076151355.

Adding to 102245623 its reverse (326542201), we get a palindrome (428787824).

The spelling of 102245623 in words is "one hundred two million, two hundred forty-five thousand, six hundred twenty-three".