234355440263 has 12 divisors (see below), whose sum is σ = 273703693032. Its totient is φ = 200075778000.

The previous prime is 234355440259. The next prime is 234355440269. The reversal of 234355440263 is 362044553432.

It is not a de Polignac number, because 234355440263 - 2² = 234355440259 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 234355440263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234355440269) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9515120 + ... + 9539717.

It is an arithmetic number, because the mean of its divisors is an integer number (22808641086).

Almost surely, 2^234355440263 is an apocalyptic number.

234355440263 is a deficient number, since it is larger than the sum of its proper divisors (39348252769).

234355440263 is a wasteful number, since it uses less digits than its factorization.

234355440263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19055102 (or 19055095 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 41.

Adding to 234355440263 its reverse (362044553432), we get a palindrome (596399993695).

The spelling of 234355440263 in words is "two hundred thirty-four billion, three hundred fifty-five million, four hundred forty thousand, two hundred sixty-three".