23528579 has 2 divisors, whose sum is σ = 23528580. Its totient is φ = 23528578.

The previous prime is 23528569. The next prime is 23528587. The reversal of 23528579 is 97582532.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23528579 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23528539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11764289 + 11764290.

It is an arithmetic number, because the mean of its divisors is an integer number (11764290).

Almost surely, 2^23528579 is an apocalyptic number.

23528579 is a deficient number, since it is larger than the sum of its proper divisors (1).

23528579 is an equidigital number, since it uses as much as digits as its factorization.

23528579 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 41.

The square root of 23528579 is about 4850.6266605460. The cubic root of 23528579 is about 286.5487816776.

The spelling of 23528579 in words is "twenty-three million, five hundred twenty-eight thousand, five hundred seventy-nine".