23454565 has 16 divisors (see below), whose sum is σ = 29304000. Its totient is φ = 18016656.

The previous prime is 23454553. The next prime is 23454593. The reversal of 23454565 is 56545432.

23454565 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is not a de Polignac number, because 23454565 - 2²³ = 15065957 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 23454565.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 397506 + ... + 397564.

It is an arithmetic number, because the mean of its divisors is an integer number (1831500).

Almost surely, 2^23454565 is an apocalyptic number.

It is an amenable number.

23454565 is a deficient number, since it is larger than the sum of its proper divisors (5849435).

23454565 is an frugal number, since it uses more digits than its factorization.

23454565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193 (or 107 counting only the distinct ones).

The product of its digits is 72000, while the sum is 34.

The square root of 23454565 is about 4842.9913276817. The cubic root of 23454565 is about 286.2479999606.

Adding to 23454565 its reverse (56545432), we get a palindrome (79999997).

The spelling of 23454565 in words is "twenty-three million, four hundred fifty-four thousand, five hundred sixty-five".