123301322131 has 4 divisors (see below), whose sum is σ = 132786039232. Its totient is φ = 113816605032.

The previous prime is 123301322129. The next prime is 123301322153. The reversal of 123301322131 is 131223103321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131223103321 = 479 ⋅273952199.

It is not a de Polignac number, because 123301322131 - 2¹ = 123301322129 is a prime.

It is a super-2 number, since 2×123301322131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123301322191) 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, 4742358531 + ... + 4742358556.

It is an arithmetic number, because the mean of its divisors is an integer number (33196509808).

Almost surely, 2^123301322131 is an apocalyptic number.

123301322131 is a deficient number, since it is larger than the sum of its proper divisors (9484717101).

123301322131 is an equidigital number, since it uses as much as digits as its factorization.

123301322131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9484717100.

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

Adding to 123301322131 its reverse (131223103321), we get a palindrome (254524425452).

The spelling of 123301322131 in words is "one hundred twenty-three billion, three hundred one million, three hundred twenty-two thousand, one hundred thirty-one".