4230354421 has 2 divisors, whose sum is σ = 4230354422. Its totient is φ = 4230354420.

The previous prime is 4230354347. The next prime is 4230354449. The reversal of 4230354421 is 1244530324.

It is a happy number.

It is an a-pointer prime, because the next prime (4230354449) can be obtained adding 4230354421 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3473334225 + 757020196 = 58935^2 + 27514^2 .

It is a cyclic number.

It is not a de Polignac number, because 4230354421 - 2⁹ = 4230353909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4230354421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4230354721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2115177210 + 2115177211.

It is an arithmetic number, because the mean of its divisors is an integer number (2115177211).

Almost surely, 2^4230354421 is an apocalyptic number.

It is an amenable number.

4230354421 is a deficient number, since it is larger than the sum of its proper divisors (1).

4230354421 is an equidigital number, since it uses as much as digits as its factorization.

4230354421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 4230354421 is about 65041.1748125755. The cubic root of 4230354421 is about 1617.3061999788.

Adding to 4230354421 its reverse (1244530324), we get a palindrome (5474884745).

The spelling of 4230354421 in words is "four billion, two hundred thirty million, three hundred fifty-four thousand, four hundred twenty-one".