234040023243 has 40 divisors (see below), whose sum is σ = 376573598016. Its totient is φ = 143999856000.

The previous prime is 234040023229. The next prime is 234040023289. The reversal of 234040023243 is 342320040432.

234040023243 is a `hidden beast` number, since 23 + 4 + 0 + 400 + 232 + 4 + 3 = 666.

It is not a de Polignac number, because 234040023243 - 2¹⁶ = 234039957707 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (234040023743) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7514463 + ... + 7545543.

Almost surely, 2^234040023243 is an apocalyptic number.

234040023243 is a deficient number, since it is larger than the sum of its proper divisors (142533574773).

234040023243 is a wasteful number, since it uses less digits than its factorization.

234040023243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38257 (or 38248 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

Adding to 234040023243 its reverse (342320040432), we get a palindrome (576360063675).

The spelling of 234040023243 in words is "two hundred thirty-four billion, forty million, twenty-three thousand, two hundred forty-three".