123133313533 has 16 divisors (see below), whose sum is σ = 127256000256. Its totient is φ = 119070282240.

The previous prime is 123133313531. The next prime is 123133313539. The reversal of 123133313533 is 335313331321.

It is a cyclic number.

It is not a de Polignac number, because 123133313533 - 2¹ = 123133313531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123133313495 and 123133313504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123133313531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4412641 + ... + 4440457.

It is an arithmetic number, because the mean of its divisors is an integer number (7953500016).

Almost surely, 2^123133313533 is an apocalyptic number.

It is an amenable number.

123133313533 is a deficient number, since it is larger than the sum of its proper divisors (4122686723).

123133313533 is a wasteful number, since it uses less digits than its factorization.

123133313533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28884.

The product of its digits is 21870, while the sum is 31.

Adding to 123133313533 its reverse (335313331321), we get a palindrome (458446644854).

The spelling of 123133313533 in words is "one hundred twenty-three billion, one hundred thirty-three million, three hundred thirteen thousand, five hundred thirty-three".