10420441202123 has 4 divisors (see below), whose sum is σ = 10420458442248. Its totient is φ = 10420423962000.

The previous prime is 10420441202089. The next prime is 10420441202147. The reversal of 10420441202123 is 32120214402401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10420441202123 - 2²⁰ = 10420440153547 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10420441202092 and 10420441202101.

It is not an unprimeable number, because it can be changed into a prime (10420441202153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7679186 + ... + 8933687.

It is an arithmetic number, because the mean of its divisors is an integer number (2605114610562).

Almost surely, 2^{10420441202123} is an apocalyptic number.

10420441202123 is a deficient number, since it is larger than the sum of its proper divisors (17240125).

10420441202123 is an equidigital number, since it uses as much as digits as its factorization.

10420441202123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17240124.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 10420441202123 its reverse (32120214402401), we get a palindrome (42540655604524).

The spelling of 10420441202123 in words is "ten trillion, four hundred twenty billion, four hundred forty-one million, two hundred two thousand, one hundred twenty-three".