10005205423 has 2 divisors, whose sum is σ = 10005205424. Its totient is φ = 10005205422.

The previous prime is 10005205393. The next prime is 10005205481. The reversal of 10005205423 is 32450250001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10005205423 - 2¹³ = 10005197231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10005205394 and 10005205403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10005205493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5002602711 + 5002602712.

It is an arithmetic number, because the mean of its divisors is an integer number (5002602712).

Almost surely, 2^10005205423 is an apocalyptic number.

10005205423 is a deficient number, since it is larger than the sum of its proper divisors (1).

10005205423 is an equidigital number, since it uses as much as digits as its factorization.

10005205423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 22.

Adding to 10005205423 its reverse (32450250001), we get a palindrome (42455455424).

The spelling of 10005205423 in words is "ten billion, five million, two hundred five thousand, four hundred twenty-three".