23630539 has 2 divisors, whose sum is σ = 23630540. Its totient is φ = 23630538.

The previous prime is 23630513. The next prime is 23630543. The reversal of 23630539 is 93503632.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23630539 - 2¹¹ = 23628491 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23630539.

It is not a weakly prime, because it can be changed into another prime (23630549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11815269 + 11815270.

It is an arithmetic number, because the mean of its divisors is an integer number (11815270).

Almost surely, 2^23630539 is an apocalyptic number.

23630539 is a deficient number, since it is larger than the sum of its proper divisors (1).

23630539 is an equidigital number, since it uses as much as digits as its factorization.

23630539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 31.

The square root of 23630539 is about 4861.1252812492. The cubic root of 23630539 is about 286.9621004801.

The spelling of 23630539 in words is "twenty-three million, six hundred thirty thousand, five hundred thirty-nine".