234011809081 has 8 divisors (see below), whose sum is σ = 234588957920. Its totient is φ = 233435206368.

The previous prime is 234011809001. The next prime is 234011809103. The reversal of 234011809081 is 180908110432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 234011809081 - 2¹¹ = 234011807033 is a prime.

It is a super-2 number, since 2×234011809081² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 234011809081.

It is not an unprimeable number, because it can be changed into a prime (234011809001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 728245 + ... + 999181.

It is an arithmetic number, because the mean of its divisors is an integer number (29323619740).

Almost surely, 2^234011809081 is an apocalyptic number.

It is an amenable number.

234011809081 is a deficient number, since it is larger than the sum of its proper divisors (577148839).

234011809081 is a wasteful number, since it uses less digits than its factorization.

234011809081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273063.

The product of its (nonzero) digits is 13824, while the sum is 37.

The spelling of 234011809081 in words is "two hundred thirty-four billion, eleven million, eight hundred nine thousand, eighty-one".