23393091 has 4 divisors (see below), whose sum is σ = 31190792. Its totient is φ = 15595392.

The previous prime is 23393059. The next prime is 23393101. The reversal of 23393091 is 19039332.

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

It is not a de Polignac number, because 23393091 - 2⁵ = 23393059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23393791) 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, 3898846 + ... + 3898851.

It is an arithmetic number, because the mean of its divisors is an integer number (7797698).

Almost surely, 2^23393091 is an apocalyptic number.

23393091 is a deficient number, since it is larger than the sum of its proper divisors (7797701).

23393091 is an equidigital number, since it uses as much as digits as its factorization.

23393091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7797700.

The product of its (nonzero) digits is 4374, while the sum is 30.

The square root of 23393091 is about 4836.6404662741. The cubic root of 23393091 is about 285.9976975054.

The spelling of 23393091 in words is "twenty-three million, three hundred ninety-three thousand, ninety-one".