23745641 has 2 divisors, whose sum is σ = 23745642. Its totient is φ = 23745640.

The previous prime is 23745629. The next prime is 23745647. The reversal of 23745641 is 14654732.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18524416 + 5221225 = 4304^2 + 2285^2 .

It is a cyclic number.

It is not a de Polignac number, because 23745641 - 2¹⁴ = 23729257 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 23745598 and 23745607.

It is not a weakly prime, because it can be changed into another prime (23745647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11872820 + 11872821.

It is an arithmetic number, because the mean of its divisors is an integer number (11872821).

Almost surely, 2^23745641 is an apocalyptic number.

It is an amenable number.

23745641 is a deficient number, since it is larger than the sum of its proper divisors (1).

23745641 is an equidigital number, since it uses as much as digits as its factorization.

23745641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 32.

The square root of 23745641 is about 4872.9499279184. The cubic root of 23745641 is about 287.4272672977.

Subtracting from 23745641 its reverse (14654732), we obtain a palindrome (9090909).

The spelling of 23745641 in words is "twenty-three million, seven hundred forty-five thousand, six hundred forty-one".