234353215511 has 8 divisors (see below), whose sum is σ = 239479443840. Its totient is φ = 229281813432.

The previous prime is 234353215489. The next prime is 234353215531. The reversal of 234353215511 is 115512353432.

It is a happy number.

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 234353215511 - 2²⁶ = 234286106647 is a prime.

It is a super-2 number, since 2×234353215511² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234353215531) 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, 13697921 + ... + 13715018.

It is an arithmetic number, because the mean of its divisors is an integer number (29934930480).

Almost surely, 2^234353215511 is an apocalyptic number.

234353215511 is a deficient number, since it is larger than the sum of its proper divisors (5126228329).

234353215511 is a wasteful number, since it uses less digits than its factorization.

234353215511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27413125.

The product of its digits is 54000, while the sum is 35.

Adding to 234353215511 its reverse (115512353432), we get a palindrome (349865568943).

The spelling of 234353215511 in words is "two hundred thirty-four billion, three hundred fifty-three million, two hundred fifteen thousand, five hundred eleven".