20023123024 has 20 divisors (see below), whose sum is σ = 39055173300. Its totient is φ = 9944368640.

The previous prime is 20023123013. The next prime is 20023123049. The reversal of 20023123024 is 42032132002.

It can be written as a sum of positive squares in 2 ways, for example, as 9192974400 + 10830148624 = 95880^2 + 104068^2 .

It is a super-3 number, since 3×20023123024³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20023122992 and 20023123010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4197097 + ... + 4201864.

It is an arithmetic number, because the mean of its divisors is an integer number (1952758665).

Almost surely, 2^20023123024 is an apocalyptic number.

It is an amenable number.

20023123024 is a deficient number, since it is larger than the sum of its proper divisors (19032050276).

20023123024 is a wasteful number, since it uses less digits than its factorization.

20023123024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8399118 (or 8399112 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 20023123024 its reverse (42032132002), we get a palindrome (62055255026).

The spelling of 20023123024 in words is "twenty billion, twenty-three million, one hundred twenty-three thousand, twenty-four".