23445903 has 16 divisors (see below), whose sum is σ = 34384896. Its totient is φ = 14120160.

The previous prime is 23445887. The next prime is 23445953. The reversal of 23445903 is 30954432.

It is not a de Polignac number, because 23445903 - 2⁴ = 23445887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23445953) 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, 4563 + ... + 8228.

It is an arithmetic number, because the mean of its divisors is an integer number (2149056).

Almost surely, 2^23445903 is an apocalyptic number.

23445903 is a deficient number, since it is larger than the sum of its proper divisors (10938993).

23445903 is a wasteful number, since it uses less digits than its factorization.

23445903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12854.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 23445903 is about 4842.0969630936. The cubic root of 23445903 is about 286.2127575608.

The spelling of 23445903 in words is "twenty-three million, four hundred forty-five thousand, nine hundred three".