133023320443 has 16 divisors (see below), whose sum is σ = 148762607616. Its totient is φ = 118118149920.

The previous prime is 133023320407. The next prime is 133023320461. The reversal of 133023320443 is 344023320331.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 133023320443 - 2³³ = 124433385851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133023320473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 920971 + ... + 1055572.

It is an arithmetic number, because the mean of its divisors is an integer number (9297662976).

Almost surely, 2^133023320443 is an apocalyptic number.

133023320443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

133023320443 is a deficient number, since it is larger than the sum of its proper divisors (15739287173).

133023320443 is a wasteful number, since it uses less digits than its factorization.

133023320443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1976754.

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 133023320443 its reverse (344023320331), we get a palindrome (477046640774).

The spelling of 133023320443 in words is "one hundred thirty-three billion, twenty-three million, three hundred twenty thousand, four hundred forty-three".