23840953 has 16 divisors (see below), whose sum is σ = 27440640. Its totient is φ = 20563200.

The previous prime is 23840941. The next prime is 23840959. The reversal of 23840953 is 35904832.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-23840953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23840959) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8823 + ... + 11203.

It is an arithmetic number, because the mean of its divisors is an integer number (1715040).

Almost surely, 2^23840953 is an apocalyptic number.

It is an amenable number.

23840953 is a deficient number, since it is larger than the sum of its proper divisors (3599687).

23840953 is a wasteful number, since it uses less digits than its factorization.

23840953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2448.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 23840953 is about 4882.7198363207. The cubic root of 23840953 is about 287.8113194767.

The spelling of 23840953 in words is "twenty-three million, eight hundred forty thousand, nine hundred fifty-three".