23858565407 has 2 divisors, whose sum is σ = 23858565408. Its totient is φ = 23858565406.

The previous prime is 23858565347. The next prime is 23858565439. The reversal of 23858565407 is 70456585832.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23858565407 - 2¹⁰ = 23858564383 is a prime.

It is a super-2 number, since 2×23858565407² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23858565707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11929282703 + 11929282704.

It is an arithmetic number, because the mean of its divisors is an integer number (11929282704).

Almost surely, 2^23858565407 is an apocalyptic number.

23858565407 is a deficient number, since it is larger than the sum of its proper divisors (1).

23858565407 is an equidigital number, since it uses as much as digits as its factorization.

23858565407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064000, while the sum is 53.

The spelling of 23858565407 in words is "twenty-three billion, eight hundred fifty-eight million, five hundred sixty-five thousand, four hundred seven".