123313210033 has 4 divisors (see below), whose sum is σ = 132798841588. Its totient is φ = 113827578480.

The previous prime is 123313210003. The next prime is 123313210037. The reversal of 123313210033 is 330012313321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 52797469729 + 70515740304 = 229777^2 + 265548^2 .

It is a cyclic number.

It is not a de Polignac number, because 123313210033 - 2⁹ = 123313209521 is a prime.

It is a super-2 number, since 2×123313210033² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123313209986 and 123313210013.

It is not an unprimeable number, because it can be changed into a prime (123313210037) 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, 4742815758 + ... + 4742815783.

It is an arithmetic number, because the mean of its divisors is an integer number (33199710397).

Almost surely, 2^123313210033 is an apocalyptic number.

123313210033 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

123313210033 is a deficient number, since it is larger than the sum of its proper divisors (9485631555).

123313210033 is an equidigital number, since it uses as much as digits as its factorization.

123313210033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9485631554.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 123313210033 its reverse (330012313321), we get a palindrome (453325523354).

The spelling of 123313210033 in words is "one hundred twenty-three billion, three hundred thirteen million, two hundred ten thousand, thirty-three".