105423122043 has 24 divisors (see below), whose sum is σ = 155114419200. Its totient is φ = 68976825264.

The previous prime is 105423122041. The next prime is 105423122081. The reversal of 105423122043 is 340221324501.

105423122043 is a `hidden beast` number, since 10 + 5 + 423 + 1 + 220 + 4 + 3 = 666.

It is not a de Polignac number, because 105423122043 - 2¹ = 105423122041 is a prime.

It is a super-2 number, since 2×105423122043² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105423121998 and 105423122016.

It is not an unprimeable number, because it can be changed into a prime (105423122041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 158778 + ... + 485856.

It is an arithmetic number, because the mean of its divisors is an integer number (6463100800).

Almost surely, 2^105423122043 is an apocalyptic number.

105423122043 is a deficient number, since it is larger than the sum of its proper divisors (49691297157).

105423122043 is a wasteful number, since it uses less digits than its factorization.

105423122043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327751 (or 327748 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 105423122043 its reverse (340221324501), we get a palindrome (445644446544).

The spelling of 105423122043 in words is "one hundred five billion, four hundred twenty-three million, one hundred twenty-two thousand, forty-three".