23030421 has 4 divisors (see below), whose sum is σ = 30707232. Its totient is φ = 15353612.

The previous prime is 23030411. The next prime is 23030431. The reversal of 23030421 is 12403032.

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 an interprime number because it is at equal distance from previous prime (23030411) and next prime (23030431).

It is a cyclic number.

It is not a de Polignac number, because 23030421 - 2⁵ = 23030389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23030421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23030411) 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, 3838401 + ... + 3838406.

It is an arithmetic number, because the mean of its divisors is an integer number (7676808).

Almost surely, 2^23030421 is an apocalyptic number.

It is an amenable number.

23030421 is a deficient number, since it is larger than the sum of its proper divisors (7676811).

23030421 is an equidigital number, since it uses as much as digits as its factorization.

23030421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7676810.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 23030421 is about 4799.0020837670. The cubic root of 23030421 is about 284.5120243084.

Adding to 23030421 its reverse (12403032), we get a palindrome (35433453).

It can be divided in two parts, 230304 and 21, that multiplied together give a palindrome (4836384).

The spelling of 23030421 in words is "twenty-three million, thirty thousand, four hundred twenty-one".