234542437 has 4 divisors (see below), whose sum is σ = 238967820. Its totient is φ = 230117056.

The previous prime is 234542423. The next prime is 234542453. The reversal of 234542437 is 734245432.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 74114881 + 160427556 = 8609^2 + 12666^2 .

It is a cyclic number.

It is not a de Polignac number, because 234542437 - 2¹⁵ = 234509669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234542467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2212612 + ... + 2212717.

It is an arithmetic number, because the mean of its divisors is an integer number (59741955).

Almost surely, 2^234542437 is an apocalyptic number.

It is an amenable number.

234542437 is a deficient number, since it is larger than the sum of its proper divisors (4425383).

234542437 is an equidigital number, since it uses as much as digits as its factorization.

234542437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4425382.

The product of its digits is 80640, while the sum is 34.

The square root of 234542437 is about 15314.7783855987. The cubic root of 234542437 is about 616.6998050206.

Adding to 234542437 its reverse (734245432), we get a palindrome (968787869).

The spelling of 234542437 in words is "two hundred thirty-four million, five hundred forty-two thousand, four hundred thirty-seven".