234534523212 has 72 divisors (see below), whose sum is σ = 647087942592. Its totient is φ = 71033570400.

The previous prime is 234534523169. The next prime is 234534523253. The reversal of 234534523212 is 212325435432.

234534523212 is a `hidden beast` number, since 2 + 34 + 534 + 52 + 32 + 12 = 666.

234534523212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 599887 + ... + 910457.

It is an arithmetic number, because the mean of its divisors is an integer number (8987332536).

Almost surely, 2^234534523212 is an apocalyptic number.

234534523212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

234534523212 is an abundant number, since it is smaller than the sum of its proper divisors (412553419380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

234534523212 is a wasteful number, since it uses less digits than its factorization.

234534523212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312499 (or 312494 counting only the distinct ones).

The product of its digits is 172800, while the sum is 36.

Adding to 234534523212 its reverse (212325435432), we get a palindrome (446859958644).

The spelling of 234534523212 in words is "two hundred thirty-four billion, five hundred thirty-four million, five hundred twenty-three thousand, two hundred twelve".