23960561 has 2 divisors, whose sum is σ = 23960562. Its totient is φ = 23960560.

The previous prime is 23960537. The next prime is 23960567. The reversal of 23960561 is 16506932.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13359025 + 10601536 = 3655^2 + 3256^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23960561 is a prime.

It is not a weakly prime, because it can be changed into another prime (23960567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11980280 + 11980281.

It is an arithmetic number, because the mean of its divisors is an integer number (11980281).

Almost surely, 2^23960561 is an apocalyptic number.

It is an amenable number.

23960561 is a deficient number, since it is larger than the sum of its proper divisors (1).

23960561 is an equidigital number, since it uses as much as digits as its factorization.

23960561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 23960561 is about 4894.9526044692. The cubic root of 23960561 is about 288.2918249877.

The spelling of 23960561 in words is "twenty-three million, nine hundred sixty thousand, five hundred sixty-one".