133122100123 has 16 divisors (see below), whose sum is σ = 137133619200. Its totient is φ = 129164482656.

The previous prime is 133122100121. The next prime is 133122100127. The reversal of 133122100123 is 321001221331.

It is a cyclic number.

It is not a de Polignac number, because 133122100123 - 2¹ = 133122100121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133122100123.

It is not an unprimeable number, because it can be changed into a prime (133122100121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2565090 + ... + 2616472.

It is an arithmetic number, because the mean of its divisors is an integer number (8570851200).

Almost surely, 2^133122100123 is an apocalyptic number.

133122100123 is a deficient number, since it is larger than the sum of its proper divisors (4011519077).

133122100123 is a wasteful number, since it uses less digits than its factorization.

133122100123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51906.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 133122100123 its reverse (321001221331), we get a palindrome (454123321454).

The spelling of 133122100123 in words is "one hundred thirty-three billion, one hundred twenty-two million, one hundred thousand, one hundred twenty-three".