23653459 has 2 divisors, whose sum is σ = 23653460. Its totient is φ = 23653458.

The previous prime is 23653457. The next prime is 23653519. The reversal of 23653459 is 95435632.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23653459 - 2¹ = 23653457 is a prime.

It is a super-2 number, since 2×23653459² = 1118972245329362, which contains 22 as substring.

Together with 23653457, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (23653451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11826729 + 11826730.

It is an arithmetic number, because the mean of its divisors is an integer number (11826730).

Almost surely, 2^23653459 is an apocalyptic number.

23653459 is a deficient number, since it is larger than the sum of its proper divisors (1).

23653459 is an equidigital number, since it uses as much as digits as its factorization.

23653459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97200, while the sum is 37.

The square root of 23653459 is about 4863.4821887203. The cubic root of 23653459 is about 287.0548483436.

The spelling of 23653459 in words is "twenty-three million, six hundred fifty-three thousand, four hundred fifty-nine".