23040042133 has 4 divisors (see below), whose sum is σ = 23138926668. Its totient is φ = 22941157600.

The previous prime is 23040042131. The next prime is 23040042139. The reversal of 23040042133 is 33124004032.

It is a happy number.

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 2510310609 + 20529731524 = 50103^2 + 143282^2 .

It is a cyclic number.

It is not a de Polignac number, because 23040042133 - 2¹ = 23040042131 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23040042131) 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 3 ways as a sum of consecutive naturals, for example, 49441918 + ... + 49442383.

It is an arithmetic number, because the mean of its divisors is an integer number (5784731667).

Almost surely, 2^23040042133 is an apocalyptic number.

It is an amenable number.

23040042133 is a deficient number, since it is larger than the sum of its proper divisors (98884535).

23040042133 is an equidigital number, since it uses as much as digits as its factorization.

23040042133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98884534.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 23040042133 its reverse (33124004032), we get a palindrome (56164046165).

The spelling of 23040042133 in words is "twenty-three billion, forty million, forty-two thousand, one hundred thirty-three".