23380449 has 4 divisors (see below), whose sum is σ = 31173936. Its totient is φ = 15586964.

The previous prime is 23380447. The next prime is 23380451. The reversal of 23380449 is 94408332.

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 an interprime number because it is at equal distance from previous prime (23380447) and next prime (23380451).

It is a cyclic number.

It is not a de Polignac number, because 23380449 - 2¹ = 23380447 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23380447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3896739 + ... + 3896744.

It is an arithmetic number, because the mean of its divisors is an integer number (7793484).

Almost surely, 2^23380449 is an apocalyptic number.

It is an amenable number.

23380449 is a deficient number, since it is larger than the sum of its proper divisors (7793487).

23380449 is an equidigital number, since it uses as much as digits as its factorization.

23380449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7793486.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 23380449 is about 4835.3333907808. Note that the first 4 decimals coincide. The cubic root of 23380449 is about 285.9461689808.

The spelling of 23380449 in words is "twenty-three million, three hundred eighty thousand, four hundred forty-nine".