133533503323 has 4 divisors (see below), whose sum is σ = 145672912728. Its totient is φ = 121394093920.

The previous prime is 133533503309. The next prime is 133533503381. The reversal of 133533503323 is 323305335331.

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

It is not a de Polignac number, because 133533503323 - 2¹⁷ = 133533372251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133533503023) 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, 6069704686 + ... + 6069704707.

It is an arithmetic number, because the mean of its divisors is an integer number (36418228182).

Almost surely, 2^133533503323 is an apocalyptic number.

133533503323 is a deficient number, since it is larger than the sum of its proper divisors (12139409405).

133533503323 is a wasteful number, since it uses less digits than its factorization.

133533503323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12139409404.

The product of its (nonzero) digits is 109350, while the sum is 34.

Adding to 133533503323 its reverse (323305335331), we get a palindrome (456838838654).

The spelling of 133533503323 in words is "one hundred thirty-three billion, five hundred thirty-three million, five hundred three thousand, three hundred twenty-three".