234457 has 2 divisors, whose sum is σ = 234458. Its totient is φ = 234456.

The previous prime is 234431. The next prime is 234461. The reversal of 234457 is 754432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 168921 + 65536 = 411^2 + 256^2 .

It is a cyclic number.

It is not a de Polignac number, because 234457 - 2¹¹ = 232409 is a prime.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (234467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117228 + 117229.

It is an arithmetic number, because the mean of its divisors is an integer number (117229).

2²³⁴⁴⁵⁷ is an apocalyptic number.

It is an amenable number.

234457 is a deficient number, since it is larger than the sum of its proper divisors (1).

234457 is an equidigital number, since it uses as much as digits as its factorization.

234457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3360, while the sum is 25.

The square root of 234457 is about 484.2076001056. The cubic root of 234457 is about 61.6624913982.

Subtracting from 234457 its sum of digits (25), we obtain a palindrome (234432).

Adding to 234457 its reverse (754432), we get a palindrome (988889).

It can be divided in two parts, 2344 and 57, that added together give a 4-th power (2401 = 7⁴).

The spelling of 234457 in words is "two hundred thirty-four thousand, four hundred fifty-seven".