230232421 has 4 divisors (see below), whose sum is σ = 238171500. Its totient is φ = 222293344.

The previous prime is 230232419. The next prime is 230232451. The reversal of 230232421 is 124232032.

230232421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 82609921 + 147622500 = 9089^2 + 12150^2 .

It is a cyclic number.

It is not a de Polignac number, because 230232421 - 2¹ = 230232419 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 (230232451) 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, 3969496 + ... + 3969553.

It is an arithmetic number, because the mean of its divisors is an integer number (59542875).

Almost surely, 2^230232421 is an apocalyptic number.

It is an amenable number.

230232421 is a deficient number, since it is larger than the sum of its proper divisors (7939079).

230232421 is an equidigital number, since it uses as much as digits as its factorization.

230232421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7939078.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 230232421 is about 15173.4116466930. The cubic root of 230232421 is about 612.8988786518.

Adding to 230232421 its reverse (124232032), we get a palindrome (354464453).

The spelling of 230232421 in words is "two hundred thirty million, two hundred thirty-two thousand, four hundred twenty-one".