23459893 has 4 divisors (see below), whose sum is σ = 23477740. Its totient is φ = 23442048.

The previous prime is 23459879. The next prime is 23459903. The reversal of 23459893 is 39895432.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3452164 + 20007729 = 1858^2 + 4473^2 .

It is a cyclic number.

It is not a de Polignac number, because 23459893 - 2⁵ = 23459861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23459803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6780 + ... + 9637.

It is an arithmetic number, because the mean of its divisors is an integer number (5869435).

Almost surely, 2^23459893 is an apocalyptic number.

It is an amenable number.

23459893 is a deficient number, since it is larger than the sum of its proper divisors (17847).

23459893 is a wasteful number, since it uses less digits than its factorization.

23459893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17846.

The product of its digits is 233280, while the sum is 43.

The square root of 23459893 is about 4843.5413697005. The cubic root of 23459893 is about 286.2696732663.

The spelling of 23459893 in words is "twenty-three million, four hundred fifty-nine thousand, eight hundred ninety-three".