234543451 has 2 divisors, whose sum is σ = 234543452. Its totient is φ = 234543450.

The previous prime is 234543377. The next prime is 234543499. The reversal of 234543451 is 154345432.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234543451 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (234546451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117271725 + 117271726.

It is an arithmetic number, because the mean of its divisors is an integer number (117271726).

Almost surely, 2^234543451 is an apocalyptic number.

234543451 is a deficient number, since it is larger than the sum of its proper divisors (1).

234543451 is an equidigital number, since it uses as much as digits as its factorization.

234543451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28800, while the sum is 31.

The square root of 234543451 is about 15314.8114908411. The cubic root of 234543451 is about 616.7006937477.

Adding to 234543451 its reverse (154345432), we get a palindrome (388888883).

It can be divided in two parts, 2345 and 43451, that added together give a square (45796 = 214²).

The spelling of 234543451 in words is "two hundred thirty-four million, five hundred forty-three thousand, four hundred fifty-one".