23151241 has 2 divisors, whose sum is σ = 23151242. Its totient is φ = 23151240.

The previous prime is 23151239. The next prime is 23151257. The reversal of 23151241 is 14215132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14175225 + 8976016 = 3765^2 + 2996^2 .

It is a cyclic number.

It is not a de Polignac number, because 23151241 - 2¹ = 23151239 is a prime.

Together with 23151239, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (23151941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11575620 + 11575621.

It is an arithmetic number, because the mean of its divisors is an integer number (11575621).

Almost surely, 2^23151241 is an apocalyptic number.

It is an amenable number.

23151241 is a deficient number, since it is larger than the sum of its proper divisors (1).

23151241 is an equidigital number, since it uses as much as digits as its factorization.

23151241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 240, while the sum is 19.

The square root of 23151241 is about 4811.5736511042. The cubic root of 23151241 is about 285.0086834330.

Adding to 23151241 its reverse (14215132), we get a palindrome (37366373).

The spelling of 23151241 in words is "twenty-three million, one hundred fifty-one thousand, two hundred forty-one".