23133151 has 2 divisors, whose sum is σ = 23133152. Its totient is φ = 23133150.

The previous prime is 23133139. The next prime is 23133167. The reversal of 23133151 is 15133132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23133151 - 2¹¹ = 23131103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23133191) 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 as a sum of consecutive naturals, namely, 11566575 + 11566576.

It is an arithmetic number, because the mean of its divisors is an integer number (11566576).

Almost surely, 2^23133151 is an apocalyptic number.

23133151 is a deficient number, since it is larger than the sum of its proper divisors (1).

23133151 is an equidigital number, since it uses as much as digits as its factorization.

23133151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 270, while the sum is 19.

The square root of 23133151 is about 4809.6934413744. The cubic root of 23133151 is about 284.9344303860.

Subtracting from 23133151 its sum of digits (19), we obtain a palindrome (23133132).

Adding to 23133151 its reverse (15133132), we get a palindrome (38266283).

The spelling of 23133151 in words is "twenty-three million, one hundred thirty-three thousand, one hundred fifty-one".