23451133 has 2 divisors, whose sum is σ = 23451134. Its totient is φ = 23451132.

The previous prime is 23451121. The next prime is 23451137. The reversal of 23451133 is 33115432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19342404 + 4108729 = 4398^2 + 2027^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23451133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23451137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11725566 + 11725567.

It is an arithmetic number, because the mean of its divisors is an integer number (11725567).

Almost surely, 2^23451133 is an apocalyptic number.

It is an amenable number.

23451133 is a deficient number, since it is larger than the sum of its proper divisors (1).

23451133 is an equidigital number, since it uses as much as digits as its factorization.

23451133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 22.

The square root of 23451133 is about 4842.6369882534. The cubic root of 23451133 is about 286.2340374895.

Adding to 23451133 its reverse (33115432), we get a palindrome (56566565).

The spelling of 23451133 in words is "twenty-three million, four hundred fifty-one thousand, one hundred thirty-three".