23858565461 has 2 divisors, whose sum is σ = 23858565462. Its totient is φ = 23858565460.

The previous prime is 23858565439. The next prime is 23858565463. The reversal of 23858565461 is 16456585832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21769527025 + 2089038436 = 147545^2 + 45706^2 .

It is a cyclic number.

It is not a de Polignac number, because 23858565461 - 2²² = 23854371157 is a prime.

It is a super-2 number, since 2×23858565461² (a number of 22 digits) contains 22 as substring.

Together with 23858565463, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23858565463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11929282730 + 11929282731.

It is an arithmetic number, because the mean of its divisors is an integer number (11929282731).

Almost surely, 2^23858565461 is an apocalyptic number.

It is an amenable number.

23858565461 is a deficient number, since it is larger than the sum of its proper divisors (1).

23858565461 is an equidigital number, since it uses as much as digits as its factorization.

23858565461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912000, while the sum is 53.

The spelling of 23858565461 in words is "twenty-three billion, eight hundred fifty-eight million, five hundred sixty-five thousand, four hundred sixty-one".