1005122423 has 2 divisors, whose sum is σ = 1005122424. Its totient is φ = 1005122422.

The previous prime is 1005122389. The next prime is 1005122431. The reversal of 1005122423 is 3242215001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1005122423 - 2⁶ = 1005122359 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1005122395 and 1005122404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1005722423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502561211 + 502561212.

It is an arithmetic number, because the mean of its divisors is an integer number (502561212).

Almost surely, 2^1005122423 is an apocalyptic number.

1005122423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1005122423 is an equidigital number, since it uses as much as digits as its factorization.

1005122423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1005122423 is about 31703.6657659647. The cubic root of 1005122423 is about 1001.7045671333.

Adding to 1005122423 its reverse (3242215001), we get a palindrome (4247337424).

The spelling of 1005122423 in words is "one billion, five million, one hundred twenty-two thousand, four hundred twenty-three".