23380445 has 16 divisors (see below), whose sum is σ = 31000320. Its totient is φ = 16785600.

The previous prime is 23380429. The next prime is 23380447. The reversal of 23380445 is 54408332.

It is not a de Polignac number, because 23380445 - 2⁴ = 23380429 is a prime.

It is a congruent 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 (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1655 + ... + 7035.

It is an arithmetic number, because the mean of its divisors is an integer number (1937520).

Almost surely, 2^23380445 is an apocalyptic number.

It is an amenable number.

23380445 is a deficient number, since it is larger than the sum of its proper divisors (7619875).

23380445 is a wasteful number, since it uses less digits than its factorization.

23380445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5476.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 23380445 is about 4835.3329771589. The cubic root of 23380445 is about 285.9461526740.

Adding to 23380445 its reverse (54408332), we get a palindrome (77788777).

The spelling of 23380445 in words is "twenty-three million, three hundred eighty thousand, four hundred forty-five".