2131230030023 has 4 divisors (see below), whose sum is σ = 2131239188520. Its totient is φ = 2131220871528.

The previous prime is 2131230029947. The next prime is 2131230030031. The reversal of 2131230030023 is 3200300321312.

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 2131230030023 - 2¹² = 2131230025927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2131230029977 and 2131230030004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131230032023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4220840 + ... + 4698717.

It is an arithmetic number, because the mean of its divisors is an integer number (532809797130).

Almost surely, 2^{2131230030023} is an apocalyptic number.

2131230030023 is a deficient number, since it is larger than the sum of its proper divisors (9158497).

2131230030023 is an equidigital number, since it uses as much as digits as its factorization.

2131230030023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9158496.

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

Adding to 2131230030023 its reverse (3200300321312), we get a palindrome (5331530351335).

The spelling of 2131230030023 in words is "two trillion, one hundred thirty-one billion, two hundred thirty million, thirty thousand, twenty-three".