20023003123031 has 8 divisors (see below), whose sum is σ = 20025270138384. Its totient is φ = 20020736274880.

The previous prime is 20023003123007. The next prime is 20023003123049. The reversal of 20023003123031 is 13032130032002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20023003123031 - 2²⁶ = 20022936014167 is a prime.

It is a super-2 number, since 2×20023003123031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20023003122994 and 20023003123012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20023003123001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 545820416 + ... + 545857098.

It is an arithmetic number, because the mean of its divisors is an integer number (2503158767298).

Almost surely, 2^{20023003123031} is an apocalyptic number.

20023003123031 is a deficient number, since it is larger than the sum of its proper divisors (2267015353).

20023003123031 is a wasteful number, since it uses less digits than its factorization.

20023003123031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83601.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20023003123031 its reverse (13032130032002), we get a palindrome (33055133155033).

The spelling of 20023003123031 in words is "twenty trillion, twenty-three billion, three million, one hundred twenty-three thousand, thirty-one".