23261159 has 2 divisors, whose sum is σ = 23261160. Its totient is φ = 23261158.

The previous prime is 23261137. The next prime is 23261171. The reversal of 23261159 is 95116232.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23261159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23261179) 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, 11630579 + 11630580.

It is an arithmetic number, because the mean of its divisors is an integer number (11630580).

Almost surely, 2^23261159 is an apocalyptic number.

23261159 is a deficient number, since it is larger than the sum of its proper divisors (1).

23261159 is an equidigital number, since it uses as much as digits as its factorization.

23261159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240, while the sum is 29.

The square root of 23261159 is about 4822.9823760823. The cubic root of 23261159 is about 285.4590284138.

The spelling of 23261159 in words is "twenty-three million, two hundred sixty-one thousand, one hundred fifty-nine".