234345407 has 2 divisors, whose sum is σ = 234345408. Its totient is φ = 234345406.

The previous prime is 234345379. The next prime is 234345427. The reversal of 234345407 is 704543432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 234345407 - 2⁶ = 234345343 is a prime.

It is a super-3 number, since 3×234345407³ (a number of 26 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234345427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117172703 + 117172704.

It is an arithmetic number, because the mean of its divisors is an integer number (117172704).

Almost surely, 2^234345407 is an apocalyptic number.

234345407 is a deficient number, since it is larger than the sum of its proper divisors (1).

234345407 is an equidigital number, since it uses as much as digits as its factorization.

234345407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 32.

The square root of 234345407 is about 15308.3443585516. The cubic root of 234345407 is about 616.5270681166.

Adding to 234345407 its reverse (704543432), we get a palindrome (938888839).

The spelling of 234345407 in words is "two hundred thirty-four million, three hundred forty-five thousand, four hundred seven".