234440253 has 12 divisors (see below), whose sum is σ = 345025980. Its totient is φ = 153344256.

The previous prime is 234440249. The next prime is 234440273. The reversal of 234440253 is 352044432.

It can be written as a sum of positive squares in 2 ways, for example, as 197205849 + 37234404 = 14043^2 + 6102^2 .

It is not a de Polignac number, because 234440253 - 2² = 234440249 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234440273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 245268 + ... + 246221.

It is an arithmetic number, because the mean of its divisors is an integer number (28752165).

Almost surely, 2^234440253 is an apocalyptic number.

It is an amenable number.

234440253 is a deficient number, since it is larger than the sum of its proper divisors (110585727).

234440253 is a wasteful number, since it uses less digits than its factorization.

234440253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491548 (or 491545 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 234440253 is about 15311.4418981362. The cubic root of 234440253 is about 616.6102320240.

Adding to 234440253 its reverse (352044432), we get a palindrome (586484685).

The spelling of 234440253 in words is "two hundred thirty-four million, four hundred forty thousand, two hundred fifty-three".