105478223 has 2 divisors, whose sum is σ = 105478224. Its totient is φ = 105478222.

The previous prime is 105478189. The next prime is 105478271. The reversal of 105478223 is 322874501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105478223 - 2²⁴ = 88701007 is a prime.

It is a super-2 number, since 2×105478223² = 22251311054475458, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105478223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105478123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52739111 + 52739112.

It is an arithmetic number, because the mean of its divisors is an integer number (52739112).

Almost surely, 2^105478223 is an apocalyptic number.

105478223 is a deficient number, since it is larger than the sum of its proper divisors (1).

105478223 is an equidigital number, since it uses as much as digits as its factorization.

105478223 is an evil number, because the sum of its binary digits is even.

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

The square root of 105478223 is about 10270.2591496028. The cubic root of 105478223 is about 472.4845387474.

The spelling of 105478223 in words is "one hundred five million, four hundred seventy-eight thousand, two hundred twenty-three".