23288769 has 48 divisors (see below), whose sum is σ = 41587200. Its totient is φ = 12827808.

The previous prime is 23288761. The next prime is 23288777. The reversal of 23288769 is 96788232.

It is an interprime number because it is at equal distance from previous prime (23288761) and next prime (23288777).

It is not a de Polignac number, because 23288769 - 2³ = 23288761 is a prime.

It is a super-2 number, since 2×23288769² = 1084733523070722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23288761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38064 + ... + 38670.

It is an arithmetic number, because the mean of its divisors is an integer number (866400).

Almost surely, 2^23288769 is an apocalyptic number.

23288769 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

23288769 is a deficient number, since it is larger than the sum of its proper divisors (18298431).

23288769 is a wasteful number, since it uses less digits than its factorization.

23288769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659 (or 646 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 23288769 is about 4825.8438640304. The cubic root of 23288769 is about 285.5719263063.

The spelling of 23288769 in words is "twenty-three million, two hundred eighty-eight thousand, seven hundred sixty-nine".