230131121023 has 4 divisors (see below), whose sum is σ = 230133480120. Its totient is φ = 230128761928.

The previous prime is 230131120993. The next prime is 230131121053. The reversal of 230131121023 is 320121131032.

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

It is an interprime number because it is at equal distance from previous prime (230131120993) and next prime (230131121053).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230131121023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230131121053) 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, 1026613 + ... + 1230526.

It is an arithmetic number, because the mean of its divisors is an integer number (57533370030).

Almost surely, 2^230131121023 is an apocalyptic number.

230131121023 is a deficient number, since it is larger than the sum of its proper divisors (2359097).

230131121023 is a wasteful number, since it uses less digits than its factorization.

230131121023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2359096.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 230131121023 its reverse (320121131032), we get a palindrome (550252252055).

The spelling of 230131121023 in words is "two hundred thirty billion, one hundred thirty-one million, one hundred twenty-one thousand, twenty-three".