10420111003423 has 24 divisors (see below), whose sum is σ = 12086393502960. Its totient is φ = 8951877792000.

The previous prime is 10420111003361. The next prime is 10420111003447. The reversal of 10420111003423 is 32430011102401.

It is not a de Polignac number, because 10420111003423 - 2²¹ = 10420108906271 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10420111003394 and 10420111003403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10420111003483) 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, 4729540 + ... + 6573337.

It is an arithmetic number, because the mean of its divisors is an integer number (503599729290).

Almost surely, 2^{10420111003423} is an apocalyptic number.

10420111003423 is a deficient number, since it is larger than the sum of its proper divisors (1666282499537).

10420111003423 is a wasteful number, since it uses less digits than its factorization.

10420111003423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11303319 (or 11303308 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 10420111003423 its reverse (32430011102401), we get a palindrome (42850122105824).

The spelling of 10420111003423 in words is "ten trillion, four hundred twenty billion, one hundred eleven million, three thousand, four hundred twenty-three".