123301022131 has 4 divisors (see below), whose sum is σ = 140915453872. Its totient is φ = 105686590392.

The previous prime is 123301022071. The next prime is 123301022149. The reversal of 123301022131 is 131220103321.

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 123301022131 - 2⁹ = 123301021619 is a prime.

It is a super-2 number, since 2×123301022131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123301022099 and 123301022108.

It is not an unprimeable number, because it can be changed into a prime (123301022731) 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, 8807215860 + ... + 8807215873.

It is an arithmetic number, because the mean of its divisors is an integer number (35228863468).

Almost surely, 2^123301022131 is an apocalyptic number.

123301022131 is a deficient number, since it is larger than the sum of its proper divisors (17614431741).

123301022131 is an equidigital number, since it uses as much as digits as its factorization.

123301022131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17614431740.

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

Adding to 123301022131 its reverse (131220103321), we get a palindrome (254521125452).

The spelling of 123301022131 in words is "one hundred twenty-three billion, three hundred one million, twenty-two thousand, one hundred thirty-one".