23009209755 has 16 divisors (see below), whose sum is σ = 42073983744. Its totient is φ = 10518495840.

The previous prime is 23009209753. The next prime is 23009209771. The reversal of 23009209755 is 55790290032.

It is not a de Polignac number, because 23009209755 - 2¹ = 23009209753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23009209753) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109567561 + ... + 109567770.

It is an arithmetic number, because the mean of its divisors is an integer number (2629623984).

Almost surely, 2^23009209755 is an apocalyptic number.

23009209755 is a deficient number, since it is larger than the sum of its proper divisors (19064773989).

23009209755 is a wasteful number, since it uses less digits than its factorization.

23009209755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219135346.

The product of its (nonzero) digits is 170100, while the sum is 42.

Adding to 23009209755 its reverse (55790290032), we get a palindrome (78799499787).

The spelling of 23009209755 in words is "twenty-three billion, nine million, two hundred nine thousand, seven hundred fifty-five".