20030311023 has 24 divisors (see below), whose sum is σ = 27364848000. Its totient is φ = 13031824656.

The previous prime is 20030310997. The next prime is 20030311027. The reversal of 20030311023 is 32011303002.

It is not a de Polignac number, because 20030311023 - 2²⁰ = 20029262447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20030310993 and 20030311011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20030311027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1444678 + ... + 1458476.

It is an arithmetic number, because the mean of its divisors is an integer number (1140202000).

Almost surely, 2^20030311023 is an apocalyptic number.

20030311023 is a deficient number, since it is larger than the sum of its proper divisors (7334536977).

20030311023 is a wasteful number, since it uses less digits than its factorization.

20030311023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14059 (or 14000 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 20030311023 its reverse (32011303002), we get a palindrome (52041614025).

The spelling of 20030311023 in words is "twenty billion, thirty million, three hundred eleven thousand, twenty-three".