23603641 has 2 divisors, whose sum is σ = 23603642. Its totient is φ = 23603640.

The previous prime is 23603621. The next prime is 23603647. The reversal of 23603641 is 14630632.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21353641 + 2250000 = 4621^2 + 1500^2 .

It is a cyclic number.

It is not a de Polignac number, because 23603641 - 2⁵ = 23603609 is a prime.

It is not a weakly prime, because it can be changed into another prime (23603647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11801820 + 11801821.

It is an arithmetic number, because the mean of its divisors is an integer number (11801821).

Almost surely, 2^23603641 is an apocalyptic number.

It is an amenable number.

23603641 is a deficient number, since it is larger than the sum of its proper divisors (1).

23603641 is an equidigital number, since it uses as much as digits as its factorization.

23603641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 23603641 is about 4858.3578501383. The cubic root of 23603641 is about 286.8531787567.

The spelling of 23603641 in words is "twenty-three million, six hundred three thousand, six hundred forty-one".