20231123003131 has 4 divisors (see below), whose sum is σ = 20276791452792. Its totient is φ = 20185454553472.

The previous prime is 20231123003101. The next prime is 20231123003159. The reversal of 20231123003131 is 13130032113202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20231123003131 - 2¹¹ = 20231123001083 is a prime.

It is a super-2 number, since 2×20231123003131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20231123003101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22834224166 + ... + 22834225051.

It is an arithmetic number, because the mean of its divisors is an integer number (5069197863198).

Almost surely, 2^{20231123003131} is an apocalyptic number.

20231123003131 is a deficient number, since it is larger than the sum of its proper divisors (45668449661).

20231123003131 is an equidigital number, since it uses as much as digits as its factorization.

20231123003131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45668449660.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 20231123003131 its reverse (13130032113202), we get a palindrome (33361155116333).

The spelling of 20231123003131 in words is "twenty trillion, two hundred thirty-one billion, one hundred twenty-three million, three thousand, one hundred thirty-one".