23157241 has 2 divisors, whose sum is σ = 23157242. Its totient is φ = 23157240.

The previous prime is 23157223. The next prime is 23157259. The reversal of 23157241 is 14275132.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (23157223) and next prime (23157259).

It can be written as a sum of positive squares in only one way, i.e., 17397241 + 5760000 = 4171^2 + 2400^2 .

It is a cyclic number.

It is not a de Polignac number, because 23157241 - 2⁹ = 23156729 is a prime.

It is not a weakly prime, because it can be changed into another prime (23157271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11578620 + 11578621.

It is an arithmetic number, because the mean of its divisors is an integer number (11578621).

Almost surely, 2^23157241 is an apocalyptic number.

It is an amenable number.

23157241 is a deficient number, since it is larger than the sum of its proper divisors (1).

23157241 is an equidigital number, since it uses as much as digits as its factorization.

23157241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1680, while the sum is 25.

The square root of 23157241 is about 4812.1971073513. The cubic root of 23157241 is about 285.0333027668.

The spelling of 23157241 in words is "twenty-three million, one hundred fifty-seven thousand, two hundred forty-one".