23071249 has 4 divisors (see below), whose sum is σ = 23415664. Its totient is φ = 22726836.

The previous prime is 23071247. The next prime is 23071273. The reversal of 23071249 is 94217032.

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 23071249 - 2¹ = 23071247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23071241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172107 + ... + 172240.

It is an arithmetic number, because the mean of its divisors is an integer number (5853916).

Almost surely, 2^23071249 is an apocalyptic number.

It is an amenable number.

23071249 is a deficient number, since it is larger than the sum of its proper divisors (344415).

23071249 is an equidigital number, since it uses as much as digits as its factorization.

23071249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344414.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 23071249 is about 4803.2540011954. The cubic root of 23071249 is about 284.6800513341.

The spelling of 23071249 in words is "twenty-three million, seventy-one thousand, two hundred forty-nine".