23288993 has 8 divisors (see below), whose sum is σ = 28663488. Its totient is φ = 18426384.

The previous prime is 23288989. The next prime is 23289023. The reversal of 23288993 is 39988232.

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

It is a cyclic number.

It is not a de Polignac number, because 23288993 - 2² = 23288989 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23288093) 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, 127871 + ... + 128052.

It is an arithmetic number, because the mean of its divisors is an integer number (3582936).

Almost surely, 2^23288993 is an apocalyptic number.

It is an amenable number.

23288993 is a deficient number, since it is larger than the sum of its proper divisors (5374495).

23288993 is a wasteful number, since it uses less digits than its factorization.

23288993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255943.

The product of its digits is 186624, while the sum is 44.

The square root of 23288993 is about 4825.8670723508. The cubic root of 23288993 is about 285.5728418822.

The spelling of 23288993 in words is "twenty-three million, two hundred eighty-eight thousand, nine hundred ninety-three".