23264993 has 4 divisors (see below), whose sum is σ = 24633540. Its totient is φ = 21896448.

The previous prime is 23264963. The next prime is 23265001. The reversal of 23264993 is 39946232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19070689 + 4194304 = 4367^2 + 2048^2 .

It is a cyclic number.

It is not a de Polignac number, because 23264993 - 2⁸ = 23264737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23264963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 684248 + ... + 684281.

It is an arithmetic number, because the mean of its divisors is an integer number (6158385).

Almost surely, 2^23264993 is an apocalyptic number.

It is an amenable number.

23264993 is a deficient number, since it is larger than the sum of its proper divisors (1368547).

23264993 is a wasteful number, since it uses less digits than its factorization.

23264993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368546.

The product of its digits is 69984, while the sum is 38.

The square root of 23264993 is about 4823.3798316119. The cubic root of 23264993 is about 285.4747110630.

The spelling of 23264993 in words is "twenty-three million, two hundred sixty-four thousand, nine hundred ninety-three".