105512923 has 2 divisors, whose sum is σ = 105512924. Its totient is φ = 105512922.

The previous prime is 105512921. The next prime is 105512941. The reversal of 105512923 is 329215501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105512923 - 2¹ = 105512921 is a prime.

It is a super-2 number, since 2×105512923² = 22265953840007858, which contains 22 as substring.

Together with 105512921, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 105512891 and 105512900.

It is not a weakly prime, because it can be changed into another prime (105512921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52756461 + 52756462.

It is an arithmetic number, because the mean of its divisors is an integer number (52756462).

Almost surely, 2^105512923 is an apocalyptic number.

105512923 is a deficient number, since it is larger than the sum of its proper divisors (1).

105512923 is an equidigital number, since it uses as much as digits as its factorization.

105512923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 105512923 is about 10271.9483546209. The cubic root of 105512923 is about 472.5363453841.

The spelling of 105512923 in words is "one hundred five million, five hundred twelve thousand, nine hundred twenty-three".