2305434421 has 2 divisors, whose sum is σ = 2305434422. Its totient is φ = 2305434420.

The previous prime is 2305434403. The next prime is 2305434437. The reversal of 2305434421 is 1244345032.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1338535396 + 966899025 = 36586^2 + 31095^2 .

It is a cyclic number.

It is not a de Polignac number, because 2305434421 - 2¹⁷ = 2305303349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2305434421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2305432421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1152717210 + 1152717211.

It is an arithmetic number, because the mean of its divisors is an integer number (1152717211).

Almost surely, 2^2305434421 is an apocalyptic number.

It is an amenable number.

2305434421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2305434421 is an equidigital number, since it uses as much as digits as its factorization.

2305434421 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 2305434421 is about 48014.9395605160. The cubic root of 2305434421 is about 1321.0449372435.

Adding to 2305434421 its reverse (1244345032), we get a palindrome (3549779453).

It can be divided in two parts, 23054 and 34421, that added together give a palindrome (57475).

The spelling of 2305434421 in words is "two billion, three hundred five million, four hundred thirty-four thousand, four hundred twenty-one".