23289765 has 8 divisors (see below), whose sum is σ = 37263648. Its totient is φ = 12421200.

The previous prime is 23289689. The next prime is 23289767. The reversal of 23289765 is 56798232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23289765 - 2¹¹ = 23287717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23289767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 776311 + ... + 776340.

It is an arithmetic number, because the mean of its divisors is an integer number (4657956).

Almost surely, 2^23289765 is an apocalyptic number.

It is an amenable number.

23289765 is a deficient number, since it is larger than the sum of its proper divisors (13973883).

23289765 is a wasteful number, since it uses less digits than its factorization.

23289765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552659.

The product of its digits is 181440, while the sum is 42.

The square root of 23289765 is about 4825.9470573142. The cubic root of 23289765 is about 285.5759973041.

The spelling of 23289765 in words is "twenty-three million, two hundred eighty-nine thousand, seven hundred sixty-five".