23751641 has 2 divisors, whose sum is σ = 23751642. Its totient is φ = 23751640.

The previous prime is 23751613. The next prime is 23751647. The reversal of 23751641 is 14615732.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23425600 + 326041 = 4840^2 + 571^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23751641 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23751647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11875820 + 11875821.

It is an arithmetic number, because the mean of its divisors is an integer number (11875821).

Almost surely, 2^23751641 is an apocalyptic number.

It is an amenable number.

23751641 is a deficient number, since it is larger than the sum of its proper divisors (1).

23751641 is an equidigital number, since it uses as much as digits as its factorization.

23751641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 29.

The square root of 23751641 is about 4873.5655325439. The cubic root of 23751641 is about 287.4514741036.

The spelling of 23751641 in words is "twenty-three million, seven hundred fifty-one thousand, six hundred forty-one".