234020332511 has 4 divisors (see below), whose sum is σ = 267451808592. Its totient is φ = 200588856432.

The previous prime is 234020332493. The next prime is 234020332543. The reversal of 234020332511 is 115233020432.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 234020332511 - 2¹⁸ = 234020070367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234020332811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16715738030 + ... + 16715738043.

It is an arithmetic number, because the mean of its divisors is an integer number (66862952148).

Almost surely, 2^234020332511 is an apocalyptic number.

234020332511 is a deficient number, since it is larger than the sum of its proper divisors (33431476081).

234020332511 is an equidigital number, since it uses as much as digits as its factorization.

234020332511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33431476080.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 234020332511 its reverse (115233020432), we get a palindrome (349253352943).

The spelling of 234020332511 in words is "two hundred thirty-four billion, twenty million, three hundred thirty-two thousand, five hundred eleven".