105223487 has 2 divisors, whose sum is σ = 105223488. Its totient is φ = 105223486.

The previous prime is 105223457. The next prime is 105223511. The reversal of 105223487 is 784322501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105223487 - 2¹² = 105219391 is a prime.

It is a super-2 number, since 2×105223487² = 22143964432878338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105223457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52611743 + 52611744.

It is an arithmetic number, because the mean of its divisors is an integer number (52611744).

Almost surely, 2^105223487 is an apocalyptic number.

105223487 is a deficient number, since it is larger than the sum of its proper divisors (1).

105223487 is an equidigital number, since it uses as much as digits as its factorization.

105223487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 105223487 is about 10257.8500184005. The cubic root of 105223487 is about 472.1038729903.

Adding to 105223487 its reverse (784322501), we get a palindrome (889545988).

The spelling of 105223487 in words is "one hundred five million, two hundred twenty-three thousand, four hundred eighty-seven".