23530259 has 2 divisors, whose sum is σ = 23530260. Its totient is φ = 23530258.

The previous prime is 23530253. The next prime is 23530307. The reversal of 23530259 is 95203532.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23530259 is a prime.

It is not a weakly prime, because it can be changed into another prime (23530253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11765129 + 11765130.

It is an arithmetic number, because the mean of its divisors is an integer number (11765130).

Almost surely, 2^23530259 is an apocalyptic number.

23530259 is a deficient number, since it is larger than the sum of its proper divisors (1).

23530259 is an equidigital number, since it uses as much as digits as its factorization.

23530259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 23530259 is about 4850.7998309557. The cubic root of 23530259 is about 286.5556016177. Note that the first 3 decimals are identical.

The spelling of 23530259 in words is "twenty-three million, five hundred thirty thousand, two hundred fifty-nine".