23057641 has 2 divisors, whose sum is σ = 23057642. Its totient is φ = 23057640.

The previous prime is 23057633. The next prime is 23057669. The reversal of 23057641 is 14675032.

It is an a-pointer prime, because the next prime (23057669) can be obtained adding 23057641 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15054400 + 8003241 = 3880^2 + 2829^2 .

It is a cyclic number.

It is not a de Polignac number, because 23057641 - 2³ = 23057633 is a prime.

It is not a weakly prime, because it can be changed into another prime (23057681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11528820 + 11528821.

It is an arithmetic number, because the mean of its divisors is an integer number (11528821).

Almost surely, 2^23057641 is an apocalyptic number.

It is an amenable number.

23057641 is a deficient number, since it is larger than the sum of its proper divisors (1).

23057641 is an equidigital number, since it uses as much as digits as its factorization.

23057641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 23057641 is about 4801.8372525524. The cubic root of 23057641 is about 284.6240698535.

The spelling of 23057641 in words is "twenty-three million, fifty-seven thousand, six hundred forty-one".