123131233333 has 8 divisors (see below), whose sum is σ = 127910978496. Its totient is φ = 118436085600.

The previous prime is 123131233321. The next prime is 123131233343. The reversal of 123131233333 is 333332131321.

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

It is a cyclic number.

It is not a de Polignac number, because 123131233333 - 2⁹ = 123131232821 is a prime.

It is a super-2 number, since 2×123131233333² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123131233343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21146391 + ... + 21152212.

It is an arithmetic number, because the mean of its divisors is an integer number (15988872312).

Almost surely, 2^123131233333 is an apocalyptic number.

It is an amenable number.

123131233333 is a deficient number, since it is larger than the sum of its proper divisors (4779745163).

123131233333 is an equidigital number, since it uses as much as digits as its factorization.

123131233333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42298715.

The product of its digits is 8748, while the sum is 28.

Adding to 123131233333 its reverse (333332131321), we get a palindrome (456463364654).

The spelling of 123131233333 in words is "one hundred twenty-three billion, one hundred thirty-one million, two hundred thirty-three thousand, three hundred thirty-three".