23044390 has 16 divisors (see below), whose sum is σ = 43283808. Its totient is φ = 8816896.

The previous prime is 23044363. The next prime is 23044391. The reversal of 23044390 is 9344032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23044391) 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 7 ways as a sum of consecutive naturals, for example, 49867 + ... + 50326.

It is an arithmetic number, because the mean of its divisors is an integer number (2705238).

Almost surely, 2^23044390 is an apocalyptic number.

23044390 is a deficient number, since it is larger than the sum of its proper divisors (20239418).

23044390 is a wasteful number, since it uses less digits than its factorization.

23044390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100223.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 23044390 is about 4800.4572698859. The cubic root of 23044390 is about 284.5695358522.

The spelling of 23044390 in words is "twenty-three million, forty-four thousand, three hundred ninety".