10420100423 has 2 divisors, whose sum is σ = 10420100424. Its totient is φ = 10420100422.

The previous prime is 10420100419. The next prime is 10420100443. The reversal of 10420100423 is 32400102401.

10420100423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (32400102401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10420100423 - 2² = 10420100419 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10420100443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5210050211 + 5210050212.

It is an arithmetic number, because the mean of its divisors is an integer number (5210050212).

Almost surely, 2^10420100423 is an apocalyptic number.

10420100423 is a deficient number, since it is larger than the sum of its proper divisors (1).

10420100423 is an equidigital number, since it uses as much as digits as its factorization.

10420100423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 10420100423 its reverse (32400102401), we get a palindrome (42820202824).

The spelling of 10420100423 in words is "ten billion, four hundred twenty million, one hundred thousand, four hundred twenty-three".