20423202001103 has 16 divisors (see below), whose sum is σ = 22643764526880. Its totient is φ = 18265632528000.

The previous prime is 20423202001067. The next prime is 20423202001121. The reversal of 20423202001103 is 30110020232402.

It is not a de Polignac number, because 20423202001103 - 2²⁰ = 20423200952527 is a prime.

It is a super-2 number, since 2×20423202001103² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20423202001123) 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, 58369268 + ... + 58718121.

It is an arithmetic number, because the mean of its divisors is an integer number (1415235282930).

Almost surely, 2^{20423202001103} is an apocalyptic number.

20423202001103 is a deficient number, since it is larger than the sum of its proper divisors (2220562525777).

20423202001103 is a wasteful number, since it uses less digits than its factorization.

20423202001103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117087658.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20423202001103 its reverse (30110020232402), we get a palindrome (50533222233505).

The spelling of 20423202001103 in words is "twenty trillion, four hundred twenty-three billion, two hundred two million, one thousand, one hundred three".