234454309 has 2 divisors, whose sum is σ = 234454310. Its totient is φ = 234454308.

The previous prime is 234454301. The next prime is 234454369. The reversal of 234454309 is 903454432.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 140422500 + 94031809 = 11850^2 + 9697^2 .

It is a cyclic number.

It is not a de Polignac number, because 234454309 - 2³ = 234454301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234454301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117227154 + 117227155.

It is an arithmetic number, because the mean of its divisors is an integer number (117227155).

Almost surely, 2^234454309 is an apocalyptic number.

It is an amenable number.

234454309 is a deficient number, since it is larger than the sum of its proper divisors (1).

234454309 is an equidigital number, since it uses as much as digits as its factorization.

234454309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 234454309 is about 15311.9008944024. The cubic root of 234454309 is about 616.6225548513.

The spelling of 234454309 in words is "two hundred thirty-four million, four hundred fifty-four thousand, three hundred nine".