23657224133 has 2 divisors, whose sum is σ = 23657224134. Its totient is φ = 23657224132.

The previous prime is 23657224109. The next prime is 23657224141. The reversal of 23657224133 is 33142275632.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23652286849 + 4937284 = 153793^2 + 2222^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23657224133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23657224033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11828612066 + 11828612067.

It is an arithmetic number, because the mean of its divisors is an integer number (11828612067).

Almost surely, 2^23657224133 is an apocalyptic number.

It is an amenable number.

23657224133 is a deficient number, since it is larger than the sum of its proper divisors (1).

23657224133 is an equidigital number, since it uses as much as digits as its factorization.

23657224133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 38.

Adding to 23657224133 its reverse (33142275632), we get a palindrome (56799499765).

The spelling of 23657224133 in words is "twenty-three billion, six hundred fifty-seven million, two hundred twenty-four thousand, one hundred thirty-three".