23538653 has 2 divisors, whose sum is σ = 23538654. Its totient is φ = 23538652.

The previous prime is 23538643. The next prime is 23538689. The reversal of 23538653 is 35683532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19035769 + 4502884 = 4363^2 + 2122^2 .

It is a cyclic number.

It is not a de Polignac number, because 23538653 - 2¹⁰ = 23537629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23538643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11769326 + 11769327.

It is an arithmetic number, because the mean of its divisors is an integer number (11769327).

Almost surely, 2^23538653 is an apocalyptic number.

It is an amenable number.

23538653 is a deficient number, since it is larger than the sum of its proper divisors (1).

23538653 is an equidigital number, since it uses as much as digits as its factorization.

23538653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64800, while the sum is 35.

The square root of 23538653 is about 4851.6649719452. The cubic root of 23538653 is about 286.5896720991.

The spelling of 23538653 in words is "twenty-three million, five hundred thirty-eight thousand, six hundred fifty-three".