10203442220423 has 16 divisors (see below), whose sum is σ = 11018202681600. Its totient is φ = 9426684368640.

The previous prime is 10203442220339. The next prime is 10203442220429. The reversal of 10203442220423 is 32402224430201.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10203442220423 is a prime.

It is a super-2 number, since 2×10203442220423² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10203442220429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63682736 + ... + 63842757.

It is an arithmetic number, because the mean of its divisors is an integer number (688637667600).

Almost surely, 2^{10203442220423} is an apocalyptic number.

10203442220423 is a deficient number, since it is larger than the sum of its proper divisors (814760461177).

10203442220423 is a wasteful number, since it uses less digits than its factorization.

10203442220423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127525642.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 10203442220423 its reverse (32402224430201), we get a palindrome (42605666650624).

The spelling of 10203442220423 in words is "ten trillion, two hundred three billion, four hundred forty-two million, two hundred twenty thousand, four hundred twenty-three".