123101231323 has 12 divisors (see below), whose sum is σ = 144675679512. Its totient is φ = 104427550080.

The previous prime is 123101231321. The next prime is 123101231339. The reversal of 123101231323 is 323132101321.

It is not a de Polignac number, because 123101231323 - 2¹ = 123101231321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123101231294 and 123101231303.

It is not an unprimeable number, because it can be changed into a prime (123101231321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12945093 + ... + 12954598.

It is an arithmetic number, because the mean of its divisors is an integer number (12056306626).

Almost surely, 2^123101231323 is an apocalyptic number.

123101231323 is a deficient number, since it is larger than the sum of its proper divisors (21574448189).

123101231323 is an equidigital number, since it uses as much as digits as its factorization.

123101231323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25899802 (or 25899795 counting only the distinct ones).

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

Adding to 123101231323 its reverse (323132101321), we get a palindrome (446233332644).

The spelling of 123101231323 in words is "one hundred twenty-three billion, one hundred one million, two hundred thirty-one thousand, three hundred twenty-three".