23057643 has 8 divisors (see below), whose sum is σ = 35135488. Its totient is φ = 13175784.

The previous prime is 23057641. The next prime is 23057669. The reversal of 23057643 is 34675032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23057643 - 2¹ = 23057641 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23057643.

It is not an unprimeable number, because it can be changed into a prime (23057641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 548971 + ... + 549012.

It is an arithmetic number, because the mean of its divisors is an integer number (4391936).

Almost surely, 2^23057643 is an apocalyptic number.

23057643 is a deficient number, since it is larger than the sum of its proper divisors (12077845).

23057643 is a wasteful number, since it uses less digits than its factorization.

23057643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097993.

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 23057643 is about 4801.8374608060. The cubic root of 23057643 is about 284.6240780829.

The spelling of 23057643 in words is "twenty-three million, fifty-seven thousand, six hundred forty-three".