23122321133 has 4 divisors (see below), whose sum is σ = 23123683968. Its totient is φ = 23120958300.

The previous prime is 23122321069. The next prime is 23122321139. The reversal of 23122321133 is 33112322132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23122321133 - 2⁶ = 23122321069 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23122321099 and 23122321108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23122321139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 655643 + ... + 690008.

It is an arithmetic number, because the mean of its divisors is an integer number (5780920992).

Almost surely, 2^23122321133 is an apocalyptic number.

It is an amenable number.

23122321133 is a deficient number, since it is larger than the sum of its proper divisors (1362835).

23122321133 is a wasteful number, since it uses less digits than its factorization.

23122321133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362834.

The product of its digits is 1296, while the sum is 23.

Adding to 23122321133 its reverse (33112322132), we get a palindrome (56234643265).

Subtracting 23122321133 from its reverse (33112322132), we obtain a palindrome (9990000999).

The spelling of 23122321133 in words is "twenty-three billion, one hundred twenty-two million, three hundred twenty-one thousand, one hundred thirty-three".