123122331013 has 8 divisors (see below), whose sum is σ = 135057345696. Its totient is φ = 111310995600.

The previous prime is 123122330999. The next prime is 123122331049. The reversal of 123122331013 is 310133221321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123122331013 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 (123122931013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30917731 + ... + 30921712.

It is an arithmetic number, because the mean of its divisors is an integer number (16882168212).

Almost surely, 2^123122331013 is an apocalyptic number.

It is an amenable number.

123122331013 is a deficient number, since it is larger than the sum of its proper divisors (11935014683).

123122331013 is a wasteful number, since it uses less digits than its factorization.

123122331013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61839635.

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

Adding to 123122331013 its reverse (310133221321), we get a palindrome (433255552334).

The spelling of 123122331013 in words is "one hundred twenty-three billion, one hundred twenty-two million, three hundred thirty-one thousand, thirteen".