123233120413 has 8 divisors (see below), whose sum is σ = 133292125400. Its totient is φ = 113256906048.

The previous prime is 123233120399. The next prime is 123233120519. The reversal of 123233120413 is 314021332321.

It can be written as a sum of positive squares in 4 ways, for example, as 11915468964 + 111317651449 = 109158^2 + 333643^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-123233120413 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 (123233420413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20694558 + ... + 20700511.

It is an arithmetic number, because the mean of its divisors is an integer number (16661515675).

Almost surely, 2^123233120413 is an apocalyptic number.

123233120413 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

123233120413 is a deficient number, since it is larger than the sum of its proper divisors (10059004987).

123233120413 is a wasteful number, since it uses less digits than its factorization.

123233120413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41395311.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 123233120413 its reverse (314021332321), we get a palindrome (437254452734).

The spelling of 123233120413 in words is "one hundred twenty-three billion, two hundred thirty-three million, one hundred twenty thousand, four hundred thirteen".