53423231233 has 4 divisors (see below), whose sum is σ = 53566457428. Its totient is φ = 53280005040.

The previous prime is 53423231231. The next prime is 53423231243. The reversal of 53423231233 is 33213232435.

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

It can be written as a sum of positive squares in 2 ways, for example, as 13235812209 + 40187419024 = 115047^2 + 200468^2 .

It is a cyclic number.

It is not a de Polignac number, because 53423231233 - 2¹ = 53423231231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53423231195 and 53423231204.

It is not an unprimeable number, because it can be changed into a prime (53423231231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71612538 + ... + 71613283.

It is an arithmetic number, because the mean of its divisors is an integer number (13391614357).

Almost surely, 2^53423231233 is an apocalyptic number.

It is an amenable number.

53423231233 is a deficient number, since it is larger than the sum of its proper divisors (143226195).

53423231233 is a wasteful number, since it uses less digits than its factorization.

53423231233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143226194.

The product of its digits is 38880, while the sum is 31.

Adding to 53423231233 its reverse (33213232435), we get a palindrome (86636463668).

The spelling of 53423231233 in words is "fifty-three billion, four hundred twenty-three million, two hundred thirty-one thousand, two hundred thirty-three".