23509093 has 4 divisors (see below), whose sum is σ = 23592448. Its totient is φ = 23425740.

The previous prime is 23509049. The next prime is 23509103. The reversal of 23509093 is 39090532.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23509093 - 2⁹ = 23508581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23509033) 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 3 ways as a sum of consecutive naturals, for example, 41253 + ... + 41818.

It is an arithmetic number, because the mean of its divisors is an integer number (5898112).

Almost surely, 2^23509093 is an apocalyptic number.

It is an amenable number.

23509093 is a deficient number, since it is larger than the sum of its proper divisors (83355).

23509093 is an equidigital number, since it uses as much as digits as its factorization.

23509093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83354.

The product of its (nonzero) digits is 7290, while the sum is 31.

The square root of 23509093 is about 4848.6176380490. The cubic root of 23509093 is about 286.4696547612.

The spelling of 23509093 in words is "twenty-three million, five hundred nine thousand, ninety-three".