23583421 has 4 divisors (see below), whose sum is σ = 23983200. Its totient is φ = 23183644.

The previous prime is 23583401. The next prime is 23583449. The reversal of 23583421 is 12438532.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23583421 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 23583421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23583401) 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 3 ways as a sum of consecutive naturals, for example, 199801 + ... + 199918.

It is an arithmetic number, because the mean of its divisors is an integer number (5995800).

Almost surely, 2^23583421 is an apocalyptic number.

It is an amenable number.

23583421 is a deficient number, since it is larger than the sum of its proper divisors (399779).

23583421 is an equidigital number, since it uses as much as digits as its factorization.

23583421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399778.

The product of its digits is 5760, while the sum is 28.

The square root of 23583421 is about 4856.2764542394. The cubic root of 23583421 is about 286.7712446701.

The spelling of 23583421 in words is "twenty-three million, five hundred eighty-three thousand, four hundred twenty-one".