23230549 has 4 divisors (see below), whose sum is σ = 23724864. Its totient is φ = 22736236.

The previous prime is 23230541. The next prime is 23230553. The reversal of 23230549 is 94503232.

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 23230549 - 2³ = 23230541 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23230541) 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, 247087 + ... + 247180.

It is an arithmetic number, because the mean of its divisors is an integer number (5931216).

Almost surely, 2^23230549 is an apocalyptic number.

It is an amenable number.

23230549 is a deficient number, since it is larger than the sum of its proper divisors (494315).

23230549 is an equidigital number, since it uses as much as digits as its factorization.

23230549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494314.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 23230549 is about 4819.8079837272. The cubic root of 23230549 is about 285.3337589824. Note that the first 3 decimals are identical.

The spelling of 23230549 in words is "twenty-three million, two hundred thirty thousand, five hundred forty-nine".