234505135533 has 4 divisors (see below), whose sum is σ = 312673514048. Its totient is φ = 156336757020.

The previous prime is 234505135531. The next prime is 234505135559. The reversal of 234505135533 is 335531505432.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 234505135533 - 2¹ = 234505135531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 234505135491 and 234505135500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234505135531) 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, 39084189253 + ... + 39084189258.

It is an arithmetic number, because the mean of its divisors is an integer number (78168378512).

Almost surely, 2^234505135533 is an apocalyptic number.

It is an amenable number.

234505135533 is a deficient number, since it is larger than the sum of its proper divisors (78168378515).

234505135533 is an equidigital number, since it uses as much as digits as its factorization.

234505135533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78168378514.

The product of its (nonzero) digits is 405000, while the sum is 39.

The spelling of 234505135533 in words is "two hundred thirty-four billion, five hundred five million, one hundred thirty-five thousand, five hundred thirty-three".