23254032565 has 16 divisors (see below), whose sum is σ = 28697328000. Its totient is φ = 18079250112.

The previous prime is 23254032559. The next prime is 23254032577. The reversal of 23254032565 is 56523045232.

It is a cyclic number.

It is not a de Polignac number, because 23254032565 - 2¹⁷ = 23253901493 is a prime.

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, 228970 + ... + 314539.

It is an arithmetic number, because the mean of its divisors is an integer number (1793583000).

Almost surely, 2^23254032565 is an apocalyptic number.

It is an amenable number.

23254032565 is a deficient number, since it is larger than the sum of its proper divisors (5443295435).

23254032565 is a wasteful number, since it uses less digits than its factorization.

23254032565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543756.

The product of its (nonzero) digits is 216000, while the sum is 37.

Adding to 23254032565 its reverse (56523045232), we get a palindrome (79777077797).

The spelling of 23254032565 in words is "twenty-three billion, two hundred fifty-four million, thirty-two thousand, five hundred sixty-five".