234423155343 has 16 divisors (see below), whose sum is σ = 336627111296. Its totient is φ = 144252044640.

The previous prime is 234423155303. The next prime is 234423155353. The reversal of 234423155343 is 343551324432.

It is not a de Polignac number, because 234423155343 - 2²⁴ = 234406378127 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234423155303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 545196 + ... + 875262.

It is an arithmetic number, because the mean of its divisors is an integer number (21039194456).

Almost surely, 2^234423155343 is an apocalyptic number.

234423155343 is a deficient number, since it is larger than the sum of its proper divisors (102203955953).

234423155343 is a wasteful number, since it uses less digits than its factorization.

234423155343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348294.

The product of its digits is 518400, while the sum is 39.

Adding to 234423155343 its reverse (343551324432), we get a palindrome (577974479775).

The spelling of 234423155343 in words is "two hundred thirty-four billion, four hundred twenty-three million, one hundred fifty-five thousand, three hundred forty-three".