123022230131 has 4 divisors (see below), whose sum is σ = 125038988064. Its totient is φ = 121005472200.

The previous prime is 123022230127. The next prime is 123022230167. The reversal of 123022230131 is 131032220321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131032220321 = 28843 ⋅4542947.

It is a cyclic number.

It is not a de Polignac number, because 123022230131 - 2² = 123022230127 is a prime.

It is a super-5 number, since 5×123022230131⁵ (a number of 57 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123022236131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1008378875 + ... + 1008378996.

It is an arithmetic number, because the mean of its divisors is an integer number (31259747016).

Almost surely, 2^123022230131 is an apocalyptic number.

123022230131 is a deficient number, since it is larger than the sum of its proper divisors (2016757933).

123022230131 is an equidigital number, since it uses as much as digits as its factorization.

123022230131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2016757932.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 123022230131 its reverse (131032220321), we get a palindrome (254054450452).

The spelling of 123022230131 in words is "one hundred twenty-three billion, twenty-two million, two hundred thirty thousand, one hundred thirty-one".